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drm/radeon: Re-show the cursor after a modeset 

Setting a mode seems to clear the cursor registers, so we need to
re-program them to make sure the cursor is visible.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2014-11-21 11:48:57 +09:00 committed by Alex Deucher
parent d5b75dc01f
commit 6d3759fac6
4 changed files with 69 additions and 25 deletions
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1
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -2039,6 +2039,7 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
atombios_crtc_set_base(crtc, x, y, old_fb);
atombios_overscan_setup(crtc, mode, adjusted_mode);
atombios_scaler_setup(crtc);
radeon_cursor_reset(crtc);
/* update the hw version fpr dpm */
radeon_crtc->hw_mode = *adjusted_mode;

91
drivers/gpu/drm/radeon/radeon_cursor.c
View File

@ -227,11 +227,25 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
return ret;
}
static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
uint64_t gpu_addr, int hot_x, int hot_y)
static int radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
int hot_x, int hot_y)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct radeon_device *rdev = crtc->dev->dev_private;
struct radeon_bo *robj = gem_to_radeon_bo(obj);
uint64_t gpu_addr;
int ret;
ret = radeon_bo_reserve(robj, false);
if (unlikely(ret != 0))
goto fail;
/* Only 27 bit offset for legacy cursor */
ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM,
ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
&gpu_addr);
radeon_bo_unreserve(robj);
if (ret)
goto fail;
if (ASIC_IS_DCE4(rdev)) {
WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
@ -265,6 +279,13 @@ static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
radeon_crtc->cursor_hot_x = hot_x;
radeon_crtc->cursor_hot_y = hot_y;
}
return 0;
fail:
drm_gem_object_unreference_unlocked(obj);
return ret;
}
int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
@ -276,10 +297,7 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
int32_t hot_y)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct radeon_device *rdev = crtc->dev->dev_private;
struct drm_gem_object *obj;
struct radeon_bo *robj;
uint64_t gpu_addr;
int ret;
if (!handle) {
@ -301,41 +319,64 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
return -ENOENT;
}
robj = gem_to_radeon_bo(obj);
ret = radeon_bo_reserve(robj, false);
if (unlikely(ret != 0))
goto fail;
/* Only 27 bit offset for legacy cursor */
ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM,
ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
&gpu_addr);
radeon_bo_unreserve(robj);
if (ret)
goto fail;
radeon_crtc->cursor_width = width;
radeon_crtc->cursor_height = height;
radeon_lock_cursor(crtc, true);
radeon_set_cursor(crtc, obj, gpu_addr, hot_x, hot_y);
radeon_show_cursor(crtc);
ret = radeon_set_cursor(crtc, obj, hot_x, hot_y);
if (ret)
DRM_ERROR("radeon_set_cursor returned %d, not changing cursor\n",
ret);
else
radeon_show_cursor(crtc);
radeon_lock_cursor(crtc, false);
unpin:
if (radeon_crtc->cursor_bo) {
robj = gem_to_radeon_bo(radeon_crtc->cursor_bo);
struct radeon_bo *robj = gem_to_radeon_bo(radeon_crtc->cursor_bo);
ret = radeon_bo_reserve(robj, false);
if (likely(ret == 0)) {
radeon_bo_unpin(robj);
radeon_bo_unreserve(robj);
}
drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
if (radeon_crtc->cursor_bo != obj)
drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
}
radeon_crtc->cursor_bo = obj;
return 0;
fail:
drm_gem_object_unreference_unlocked(obj);
return ret;
}
/**
* radeon_cursor_reset - Re-set the current cursor, if any.
*
* @crtc: drm crtc
*
* If the CRTC passed in currently has a cursor assigned, this function
* makes sure it's visible.
*/
void radeon_cursor_reset(struct drm_crtc *crtc)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
int ret;
if (radeon_crtc->cursor_bo) {
radeon_lock_cursor(crtc, true);
radeon_cursor_move_locked(crtc, radeon_crtc->cursor_x,
radeon_crtc->cursor_y);
ret = radeon_set_cursor(crtc, radeon_crtc->cursor_bo,
radeon_crtc->cursor_hot_x,
radeon_crtc->cursor_hot_y);
if (ret)
DRM_ERROR("radeon_set_cursor returned %d, not showing "
"cursor\n", ret);
else
radeon_show_cursor(crtc);
radeon_lock_cursor(crtc, false);
}
}

1
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View File

@ -1054,6 +1054,7 @@ static int radeon_crtc_mode_set(struct drm_crtc *crtc,
DRM_ERROR("Mode need scaling but only first crtc can do that.\n");
}
}
radeon_cursor_reset(crtc);
return 0;
}

1
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -818,6 +818,7 @@ extern int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
int32_t hot_y);
extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
int x, int y);
extern void radeon_cursor_reset(struct drm_crtc *crtc);
extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
unsigned int flags,