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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6ca53b372a4c..60ba6962026b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -100,6 +100,7 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc);
static void haswell_set_pipeconf(struct drm_crtc *crtc);
static void intel_set_pipe_csc(struct drm_crtc *crtc);
static void vlv_prepare_pll(struct intel_crtc *crtc);
+static void chv_prepare_pll(struct intel_crtc *crtc);
static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe)
{
@@ -4642,8 +4643,12 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI);
- if (!is_dsi && !IS_CHERRYVIEW(dev))
- vlv_prepare_pll(intel_crtc);
+ if (!is_dsi) {
+ if (IS_CHERRYVIEW(dev))
+ chv_prepare_pll(intel_crtc);
+ else
+ vlv_prepare_pll(intel_crtc);
+ }
/* Set up the display plane register */
dspcntr = DISPPLANE_GAMMA_ENABLE;
@@ -5692,6 +5697,18 @@ static void vlv_prepare_pll(struct intel_crtc *crtc)
static void chv_update_pll(struct intel_crtc *crtc)
{
+ crtc->config.dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV |
+ DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS |
+ DPLL_VCO_ENABLE;
+ if (crtc->pipe != PIPE_A)
+ crtc->config.dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
+
+ crtc->config.dpll_hw_state.dpll_md =
+ (crtc->config.pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
+}
+
+static void chv_prepare_pll(struct intel_crtc *crtc)
+{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe = crtc->pipe;
@@ -5701,15 +5718,6 @@ static void chv_update_pll(struct intel_crtc *crtc)
u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac;
int refclk;
- crtc->config.dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV |
- DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS |
- DPLL_VCO_ENABLE;
- if (pipe != PIPE_A)
- crtc->config.dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
-
- crtc->config.dpll_hw_state.dpll_md =
- (crtc->config.pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
-
bestn = crtc->config.dpll.n;
bestm2_frac = crtc->config.dpll.m2 & 0x3fffff;
bestm1 = crtc->config.dpll.m1;
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