mirror of https://gitee.com/openkylin/linux.git
drm/i915/gen9: Get rid of redundant watermark values
Now that we've make skl_wm_levels make a little more sense, we can remove all of the redundant wm information. Up until now we'd been storing two copies of all of the skl watermarks: one being the skl_pipe_wm structs, the other being the global wm struct in drm_i915_private containing the raw register values. This is confusing and problematic, since it means we're prone to accidentally letting the two copies go out of sync. So, get rid of all of the functions responsible for computing the register values and just use a single helper, skl_write_wm_level(), to convert and write the new watermarks on the fly. Changes since v1: - Fixup skl_write_wm_level() - Fixup skl_wm_level_from_reg_val() - Don't forget to copy *active to intel_crtc->wm.active.skl Changes since v2: - Fix usage of wrong cstate Changes since v3 (by Paulo): - Rebase Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> (v2) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Lyude <cpaul@redhat.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1476814189-6062-1-git-send-email-paulo.r.zanoni@intel.com
This commit is contained in:
cpaul@redhat.com
Paulo Zanoni
parent
38fac8bffc
commit
d8c0fafcbd
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@ -1648,8 +1648,6 @@ struct skl_ddb_allocation {
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struct skl_wm_values {
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unsigned dirty_pipes;
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struct skl_ddb_allocation ddb;
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uint32_t plane[I915_MAX_PIPES][I915_MAX_PLANES][8];
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uint32_t plane_trans[I915_MAX_PIPES][I915_MAX_PLANES];
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};
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struct skl_wm_level {
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@ -3385,6 +3385,8 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
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struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
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struct drm_framebuffer *fb = plane_state->base.fb;
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const struct skl_wm_values *wm = &dev_priv->wm.skl_results;
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const struct skl_plane_wm *p_wm =
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&crtc_state->wm.skl.optimal.planes[0];
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int pipe = intel_crtc->pipe;
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u32 plane_ctl;
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unsigned int rotation = plane_state->base.rotation;
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@ -3421,7 +3423,7 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
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intel_crtc->adjusted_y = src_y;
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if (wm->dirty_pipes & drm_crtc_mask(&intel_crtc->base))
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skl_write_plane_wm(intel_crtc, wm, 0);
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skl_write_plane_wm(intel_crtc, p_wm, &wm->ddb, 0);
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I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl);
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I915_WRITE(PLANE_OFFSET(pipe, 0), (src_y << 16) | src_x);
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@ -3455,6 +3457,8 @@ static void skylake_disable_primary_plane(struct drm_plane *primary,
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struct drm_device *dev = crtc->dev;
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struct drm_i915_private *dev_priv = to_i915(dev);
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struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
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struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
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const struct skl_plane_wm *p_wm = &cstate->wm.skl.optimal.planes[0];
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int pipe = intel_crtc->pipe;
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/*
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@ -3462,7 +3466,8 @@ static void skylake_disable_primary_plane(struct drm_plane *primary,
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* plane's visiblity isn't actually changing neither is its watermarks.
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*/
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if (!crtc->primary->state->visible)
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skl_write_plane_wm(intel_crtc, &dev_priv->wm.skl_results, 0);
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skl_write_plane_wm(intel_crtc, p_wm,
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&dev_priv->wm.skl_results.ddb, 0);
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I915_WRITE(PLANE_CTL(pipe, 0), 0);
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I915_WRITE(PLANE_SURF(pipe, 0), 0);
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@ -10833,12 +10838,15 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base,
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struct drm_device *dev = crtc->dev;
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struct drm_i915_private *dev_priv = to_i915(dev);
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struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
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struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
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const struct skl_wm_values *wm = &dev_priv->wm.skl_results;
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const struct skl_plane_wm *p_wm =
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&cstate->wm.skl.optimal.planes[PLANE_CURSOR];
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int pipe = intel_crtc->pipe;
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uint32_t cntl = 0;
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if (INTEL_GEN(dev_priv) >= 9 && wm->dirty_pipes & drm_crtc_mask(crtc))
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skl_write_cursor_wm(intel_crtc, wm);
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skl_write_cursor_wm(intel_crtc, p_wm, &wm->ddb);
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if (plane_state && plane_state->base.visible) {
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cntl = MCURSOR_GAMMA_ENABLE;
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@ -1773,9 +1773,11 @@ bool skl_ddb_allocation_equals(const struct skl_ddb_allocation *old,
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bool skl_ddb_allocation_overlaps(struct drm_atomic_state *state,
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struct intel_crtc *intel_crtc);
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void skl_write_cursor_wm(struct intel_crtc *intel_crtc,
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const struct skl_wm_values *wm);
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const struct skl_plane_wm *wm,
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const struct skl_ddb_allocation *ddb);
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void skl_write_plane_wm(struct intel_crtc *intel_crtc,
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const struct skl_wm_values *wm,
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const struct skl_plane_wm *wm,
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const struct skl_ddb_allocation *ddb,
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int plane);
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uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config);
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bool ilk_disable_lp_wm(struct drm_device *dev);
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@ -3020,8 +3020,10 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state)
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struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
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struct intel_crtc *crtc;
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struct intel_plane *plane;
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struct intel_crtc_state *cstate;
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struct skl_plane_wm *wm;
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enum pipe pipe;
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int level, id, latency;
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int level, latency;
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if (!intel_has_sagv(dev_priv))
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return false;
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@ -3040,20 +3042,21 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state)
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/* Since we're now guaranteed to only have one active CRTC... */
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pipe = ffs(intel_state->active_crtcs) - 1;
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crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
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cstate = to_intel_crtc_state(crtc->base.state);
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if (crtc->base.state->adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
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return false;
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for_each_intel_plane_on_crtc(dev, crtc, plane) {
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id = skl_wm_plane_id(plane);
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wm = &cstate->wm.skl.optimal.planes[skl_wm_plane_id(plane)];
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/* Skip this plane if it's not enabled */
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if (intel_state->wm_results.plane[pipe][id][0] == 0)
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if (!wm->wm[0].plane_en)
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continue;
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/* Find the highest enabled wm level for this plane */
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for (level = ilk_wm_max_level(dev_priv);
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intel_state->wm_results.plane[pipe][id][level] == 0; --level)
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!wm->wm[level].plane_en; --level)
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{ }
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latency = dev_priv->wm.skl_latency[level];
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@ -3814,66 +3817,6 @@ static int skl_build_pipe_wm(struct intel_crtc_state *cstate,
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return 0;
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}
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static void skl_compute_wm_results(struct drm_device *dev,
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struct skl_pipe_wm *p_wm,
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struct skl_wm_values *r,
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struct intel_crtc *intel_crtc)
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{
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int level, max_level = ilk_wm_max_level(to_i915(dev));
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struct skl_plane_wm *plane_wm;
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enum pipe pipe = intel_crtc->pipe;
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uint32_t temp;
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int i;
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for (i = 0; i < intel_num_planes(intel_crtc); i++) {
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plane_wm = &p_wm->planes[i];
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for (level = 0; level <= max_level; level++) {
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temp = 0;
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temp |= plane_wm->wm[level].plane_res_l <<
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PLANE_WM_LINES_SHIFT;
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temp |= plane_wm->wm[level].plane_res_b;
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if (plane_wm->wm[level].plane_en)
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temp |= PLANE_WM_EN;
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r->plane[pipe][i][level] = temp;
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}
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}
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for (level = 0; level <= max_level; level++) {
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plane_wm = &p_wm->planes[PLANE_CURSOR];
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temp = 0;
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temp |= plane_wm->wm[level].plane_res_l << PLANE_WM_LINES_SHIFT;
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temp |= plane_wm->wm[level].plane_res_b;
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if (plane_wm->wm[level].plane_en)
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temp |= PLANE_WM_EN;
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r->plane[pipe][PLANE_CURSOR][level] = temp;
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}
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/* transition WMs */
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for (i = 0; i < intel_num_planes(intel_crtc); i++) {
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plane_wm = &p_wm->planes[i];
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temp = 0;
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temp |= plane_wm->trans_wm.plane_res_l << PLANE_WM_LINES_SHIFT;
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temp |= plane_wm->trans_wm.plane_res_b;
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if (plane_wm->trans_wm.plane_en)
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temp |= PLANE_WM_EN;
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r->plane_trans[pipe][i] = temp;
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}
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plane_wm = &p_wm->planes[PLANE_CURSOR];
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temp = 0;
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temp |= plane_wm->trans_wm.plane_res_l << PLANE_WM_LINES_SHIFT;
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temp |= plane_wm->trans_wm.plane_res_b;
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if (plane_wm->trans_wm.plane_en)
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temp |= PLANE_WM_EN;
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r->plane_trans[pipe][PLANE_CURSOR] = temp;
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}
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static void skl_ddb_entry_write(struct drm_i915_private *dev_priv,
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i915_reg_t reg,
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const struct skl_ddb_entry *entry)
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@ -3884,8 +3827,24 @@ static void skl_ddb_entry_write(struct drm_i915_private *dev_priv,
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I915_WRITE(reg, 0);
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}
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static void skl_write_wm_level(struct drm_i915_private *dev_priv,
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i915_reg_t reg,
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const struct skl_wm_level *level)
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{
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uint32_t val = 0;
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if (level->plane_en) {
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val |= PLANE_WM_EN;
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val |= level->plane_res_b;
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val |= level->plane_res_l << PLANE_WM_LINES_SHIFT;
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}
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I915_WRITE(reg, val);
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}
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void skl_write_plane_wm(struct intel_crtc *intel_crtc,
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const struct skl_wm_values *wm,
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const struct skl_plane_wm *wm,
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const struct skl_ddb_allocation *ddb,
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int plane)
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{
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struct drm_crtc *crtc = &intel_crtc->base;
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@ -3895,19 +3854,21 @@ void skl_write_plane_wm(struct intel_crtc *intel_crtc,
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enum pipe pipe = intel_crtc->pipe;
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for (level = 0; level <= max_level; level++) {
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I915_WRITE(PLANE_WM(pipe, plane, level),
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wm->plane[pipe][plane][level]);
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skl_write_wm_level(dev_priv, PLANE_WM(pipe, plane, level),
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&wm->wm[level]);
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}
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I915_WRITE(PLANE_WM_TRANS(pipe, plane), wm->plane_trans[pipe][plane]);
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skl_write_wm_level(dev_priv, PLANE_WM_TRANS(pipe, plane),
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&wm->trans_wm);
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skl_ddb_entry_write(dev_priv, PLANE_BUF_CFG(pipe, plane),
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&wm->ddb.plane[pipe][plane]);
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&ddb->plane[pipe][plane]);
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skl_ddb_entry_write(dev_priv, PLANE_NV12_BUF_CFG(pipe, plane),
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&wm->ddb.y_plane[pipe][plane]);
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&ddb->y_plane[pipe][plane]);
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}
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void skl_write_cursor_wm(struct intel_crtc *intel_crtc,
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const struct skl_wm_values *wm)
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const struct skl_plane_wm *wm,
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const struct skl_ddb_allocation *ddb)
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{
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struct drm_crtc *crtc = &intel_crtc->base;
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struct drm_device *dev = crtc->dev;
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@ -3916,13 +3877,13 @@ void skl_write_cursor_wm(struct intel_crtc *intel_crtc,
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enum pipe pipe = intel_crtc->pipe;
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for (level = 0; level <= max_level; level++) {
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I915_WRITE(CUR_WM(pipe, level),
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wm->plane[pipe][PLANE_CURSOR][level]);
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skl_write_wm_level(dev_priv, CUR_WM(pipe, level),
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&wm->wm[level]);
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}
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I915_WRITE(CUR_WM_TRANS(pipe), wm->plane_trans[pipe][PLANE_CURSOR]);
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skl_write_wm_level(dev_priv, CUR_WM_TRANS(pipe), &wm->trans_wm);
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skl_ddb_entry_write(dev_priv, CUR_BUF_CFG(pipe),
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&wm->ddb.plane[pipe][PLANE_CURSOR]);
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&ddb->plane[pipe][PLANE_CURSOR]);
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}
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static inline bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a,
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@ -4106,11 +4067,6 @@ skl_copy_wm_for_pipe(struct skl_wm_values *dst,
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struct skl_wm_values *src,
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enum pipe pipe)
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{
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memcpy(dst->plane[pipe], src->plane[pipe],
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sizeof(dst->plane[pipe]));
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memcpy(dst->plane_trans[pipe], src->plane_trans[pipe],
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sizeof(dst->plane_trans[pipe]));
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memcpy(dst->ddb.y_plane[pipe], src->ddb.y_plane[pipe],
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sizeof(dst->ddb.y_plane[pipe]));
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memcpy(dst->ddb.plane[pipe], src->ddb.plane[pipe],
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@ -4159,7 +4115,6 @@ skl_compute_wm(struct drm_atomic_state *state)
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* no suitable watermark values can be found.
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*/
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for_each_crtc_in_state(state, crtc, cstate, i) {
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struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
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struct intel_crtc_state *intel_cstate =
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to_intel_crtc_state(cstate);
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@ -4177,7 +4132,6 @@ skl_compute_wm(struct drm_atomic_state *state)
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continue;
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intel_cstate->update_wm_pre = true;
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skl_compute_wm_results(crtc->dev, pipe_wm, results, intel_crtc);
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}
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return 0;
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@ -4211,9 +4165,11 @@ static void skl_update_wm(struct drm_crtc *crtc)
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int plane;
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for (plane = 0; plane < intel_num_planes(intel_crtc); plane++)
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skl_write_plane_wm(intel_crtc, results, plane);
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skl_write_plane_wm(intel_crtc, &pipe_wm->planes[plane],
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&results->ddb, plane);
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skl_write_cursor_wm(intel_crtc, results);
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skl_write_cursor_wm(intel_crtc, &pipe_wm->planes[PLANE_CURSOR],
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&results->ddb);
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}
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skl_copy_wm_for_pipe(hw_vals, results, pipe);
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@ -4298,26 +4254,13 @@ static void ilk_optimize_watermarks(struct intel_crtc_state *cstate)
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mutex_unlock(&dev_priv->wm.wm_mutex);
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}
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static void skl_pipe_wm_active_state(uint32_t val,
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struct skl_pipe_wm *active,
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bool is_transwm,
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int i,
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int level)
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static inline void skl_wm_level_from_reg_val(uint32_t val,
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struct skl_wm_level *level)
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{
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struct skl_plane_wm *plane_wm = &active->planes[i];
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bool is_enabled = (val & PLANE_WM_EN) != 0;
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if (!is_transwm) {
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plane_wm->wm[level].plane_en = is_enabled;
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plane_wm->wm[level].plane_res_b = val & PLANE_WM_BLOCKS_MASK;
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plane_wm->wm[level].plane_res_l =
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(val >> PLANE_WM_LINES_SHIFT) & PLANE_WM_LINES_MASK;
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} else {
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plane_wm->trans_wm.plane_en = is_enabled;
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plane_wm->trans_wm.plane_res_b = val & PLANE_WM_BLOCKS_MASK;
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plane_wm->trans_wm.plane_res_l =
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(val >> PLANE_WM_LINES_SHIFT) & PLANE_WM_LINES_MASK;
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}
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level->plane_en = val & PLANE_WM_EN;
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level->plane_res_b = val & PLANE_WM_BLOCKS_MASK;
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level->plane_res_l = (val >> PLANE_WM_LINES_SHIFT) &
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PLANE_WM_LINES_MASK;
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}
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static void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc)
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@ -4327,49 +4270,41 @@ static void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc)
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struct skl_wm_values *hw = &dev_priv->wm.skl_hw;
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struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
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struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
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struct intel_plane *intel_plane;
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struct skl_pipe_wm *active = &cstate->wm.skl.optimal;
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struct skl_plane_wm *wm;
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enum pipe pipe = intel_crtc->pipe;
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int level, i, max_level;
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uint32_t temp;
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int level, id, max_level;
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uint32_t val;
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max_level = ilk_wm_max_level(dev_priv);
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for (level = 0; level <= max_level; level++) {
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for (i = 0; i < intel_num_planes(intel_crtc); i++)
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hw->plane[pipe][i][level] =
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I915_READ(PLANE_WM(pipe, i, level));
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hw->plane[pipe][PLANE_CURSOR][level] = I915_READ(CUR_WM(pipe, level));
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}
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for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
|
||||
id = skl_wm_plane_id(intel_plane);
|
||||
wm = &cstate->wm.skl.optimal.planes[id];
|
||||
|
||||
for (i = 0; i < intel_num_planes(intel_crtc); i++)
|
||||
hw->plane_trans[pipe][i] = I915_READ(PLANE_WM_TRANS(pipe, i));
|
||||
hw->plane_trans[pipe][PLANE_CURSOR] = I915_READ(CUR_WM_TRANS(pipe));
|
||||
for (level = 0; level <= max_level; level++) {
|
||||
if (id != PLANE_CURSOR)
|
||||
val = I915_READ(PLANE_WM(pipe, id, level));
|
||||
else
|
||||
val = I915_READ(CUR_WM(pipe, level));
|
||||
|
||||
skl_wm_level_from_reg_val(val, &wm->wm[level]);
|
||||
}
|
||||
|
||||
if (id != PLANE_CURSOR)
|
||||
val = I915_READ(PLANE_WM_TRANS(pipe, id));
|
||||
else
|
||||
val = I915_READ(CUR_WM_TRANS(pipe));
|
||||
|
||||
skl_wm_level_from_reg_val(val, &wm->trans_wm);
|
||||
}
|
||||
|
||||
if (!intel_crtc->active)
|
||||
return;
|
||||
|
||||
hw->dirty_pipes |= drm_crtc_mask(crtc);
|
||||
|
||||
active->linetime = I915_READ(PIPE_WM_LINETIME(pipe));
|
||||
|
||||
for (level = 0; level <= max_level; level++) {
|
||||
for (i = 0; i < intel_num_planes(intel_crtc); i++) {
|
||||
temp = hw->plane[pipe][i][level];
|
||||
skl_pipe_wm_active_state(temp, active, false, i, level);
|
||||
}
|
||||
temp = hw->plane[pipe][PLANE_CURSOR][level];
|
||||
skl_pipe_wm_active_state(temp, active, false, PLANE_CURSOR,
|
||||
level);
|
||||
}
|
||||
|
||||
for (i = 0; i < intel_num_planes(intel_crtc); i++) {
|
||||
temp = hw->plane_trans[pipe][i];
|
||||
skl_pipe_wm_active_state(temp, active, true, i, 0);
|
||||
}
|
||||
|
||||
temp = hw->plane_trans[pipe][PLANE_CURSOR];
|
||||
skl_pipe_wm_active_state(temp, active, true, PLANE_CURSOR, 0);
|
||||
|
||||
intel_crtc->wm.active.skl = *active;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -208,6 +208,8 @@ skl_update_plane(struct drm_plane *drm_plane,
|
|||
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
|
||||
const int pipe = intel_plane->pipe;
|
||||
const int plane = intel_plane->plane + 1;
|
||||
const struct skl_plane_wm *p_wm =
|
||||
&crtc_state->wm.skl.optimal.planes[plane];
|
||||
u32 plane_ctl;
|
||||
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
|
||||
u32 surf_addr = plane_state->main.offset;
|
||||
|
|
@ -232,7 +234,7 @@ skl_update_plane(struct drm_plane *drm_plane,
|
|||
plane_ctl |= skl_plane_ctl_rotation(rotation);
|
||||
|
||||
if (wm->dirty_pipes & drm_crtc_mask(crtc))
|
||||
skl_write_plane_wm(intel_crtc, wm, plane);
|
||||
skl_write_plane_wm(intel_crtc, p_wm, &wm->ddb, plane);
|
||||
|
||||
if (key->flags) {
|
||||
I915_WRITE(PLANE_KEYVAL(pipe, plane), key->min_value);
|
||||
|
|
@ -289,6 +291,7 @@ skl_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
|
|||
struct drm_device *dev = dplane->dev;
|
||||
struct drm_i915_private *dev_priv = to_i915(dev);
|
||||
struct intel_plane *intel_plane = to_intel_plane(dplane);
|
||||
struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
|
||||
const int pipe = intel_plane->pipe;
|
||||
const int plane = intel_plane->plane + 1;
|
||||
|
||||
|
|
@ -298,7 +301,8 @@ skl_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
|
|||
*/
|
||||
if (!dplane->state->visible)
|
||||
skl_write_plane_wm(to_intel_crtc(crtc),
|
||||
&dev_priv->wm.skl_results, plane);
|
||||
&cstate->wm.skl.optimal.planes[plane],
|
||||
&dev_priv->wm.skl_results.ddb, plane);
|
||||
|
||||
I915_WRITE(PLANE_CTL(pipe, plane), 0);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue