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path: root/drivers/gpu/drm/i915/intel_dsi_pll.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi_pll.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dsi_pll.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c
index 56eff6004bc0..61440e5c2563 100644
--- a/drivers/gpu/drm/i915/intel_dsi_pll.c
+++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
@@ -156,8 +156,10 @@ static void vlv_enable_dsi_pll(struct intel_encoder *encoder,
vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL,
config->dsi_pll.ctrl & ~DSI_PLL_VCO_EN);
- /* wait at least 0.5 us after ungating before enabling VCO */
- usleep_range(1, 10);
+ /* wait at least 0.5 us after ungating before enabling VCO,
+ * allow hrtimer subsystem optimization by relaxing timing
+ */
+ usleep_range(10, 50);
vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, config->dsi_pll.ctrl);
@@ -351,7 +353,7 @@ static u32 bxt_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp,
u32 intel_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp,
struct intel_crtc_state *config)
{
- if (IS_BROXTON(to_i915(encoder->base.dev)))
+ if (IS_GEN9_LP(to_i915(encoder->base.dev)))
return bxt_dsi_get_pclk(encoder, pipe_bpp, config);
else
return vlv_dsi_get_pclk(encoder, pipe_bpp, config);
@@ -504,7 +506,7 @@ static void bxt_enable_dsi_pll(struct intel_encoder *encoder,
bool intel_dsi_pll_is_enabled(struct drm_i915_private *dev_priv)
{
- if (IS_BROXTON(dev_priv))
+ if (IS_GEN9_LP(dev_priv))
return bxt_dsi_pll_is_enabled(dev_priv);
MISSING_CASE(INTEL_DEVID(dev_priv));
@@ -519,7 +521,7 @@ int intel_compute_dsi_pll(struct intel_encoder *encoder,
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
return vlv_compute_dsi_pll(encoder, config);
- else if (IS_BROXTON(dev_priv))
+ else if (IS_GEN9_LP(dev_priv))
return bxt_compute_dsi_pll(encoder, config);
return -ENODEV;
@@ -532,7 +534,7 @@ void intel_enable_dsi_pll(struct intel_encoder *encoder,
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
vlv_enable_dsi_pll(encoder, config);
- else if (IS_BROXTON(dev_priv))
+ else if (IS_GEN9_LP(dev_priv))
bxt_enable_dsi_pll(encoder, config);
}
@@ -542,7 +544,7 @@ void intel_disable_dsi_pll(struct intel_encoder *encoder)
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
vlv_disable_dsi_pll(encoder);
- else if (IS_BROXTON(dev_priv))
+ else if (IS_GEN9_LP(dev_priv))
bxt_disable_dsi_pll(encoder);
}
@@ -566,7 +568,7 @@ void intel_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- if (IS_BROXTON(dev_priv))
+ if (IS_GEN9_LP(dev_priv))
bxt_dsi_reset_clocks(encoder, port);
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
vlv_dsi_reset_clocks(encoder, port);