mirror of https://gitee.com/openkylin/linux.git
drm/i915: Extract the HSW DDI selection code into its own function
Future platform will slightly change that. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
parent
74dd69280b
commit
7d2c81751c
|
@ -7607,6 +7607,22 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc,
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
|
||||||
|
enum port port,
|
||||||
|
struct intel_crtc_config *pipe_config)
|
||||||
|
{
|
||||||
|
pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
|
||||||
|
|
||||||
|
switch (pipe_config->ddi_pll_sel) {
|
||||||
|
case PORT_CLK_SEL_WRPLL1:
|
||||||
|
pipe_config->shared_dpll = DPLL_ID_WRPLL1;
|
||||||
|
break;
|
||||||
|
case PORT_CLK_SEL_WRPLL2:
|
||||||
|
pipe_config->shared_dpll = DPLL_ID_WRPLL2;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
|
static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
|
||||||
struct intel_crtc_config *pipe_config)
|
struct intel_crtc_config *pipe_config)
|
||||||
{
|
{
|
||||||
|
@ -7620,16 +7636,7 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
|
||||||
|
|
||||||
port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT;
|
port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT;
|
||||||
|
|
||||||
pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
|
haswell_get_ddi_pll(dev_priv, port, pipe_config);
|
||||||
|
|
||||||
switch (pipe_config->ddi_pll_sel) {
|
|
||||||
case PORT_CLK_SEL_WRPLL1:
|
|
||||||
pipe_config->shared_dpll = DPLL_ID_WRPLL1;
|
|
||||||
break;
|
|
||||||
case PORT_CLK_SEL_WRPLL2:
|
|
||||||
pipe_config->shared_dpll = DPLL_ID_WRPLL2;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (pipe_config->shared_dpll >= 0) {
|
if (pipe_config->shared_dpll >= 0) {
|
||||||
pll = &dev_priv->shared_dplls[pipe_config->shared_dpll];
|
pll = &dev_priv->shared_dplls[pipe_config->shared_dpll];
|
||||||
|
|
Loading…
Reference in New Issue