[Intel-gfx] [PATCH 65/89] drm/i915/skl: Always use DPLL0 for eDP

Damien Lespiau damien.lespiau at intel.com
Thu Sep 4 13:27:31 CEST 2014


From: Satheeshakrishna M <satheeshakrishna.m at intel.com>

DPLL0 is not part of the shared PLL infrastructure. We'll use on for
eDP and rely on what the BIOS does for now.

Signed-off-by: Satheeshakrishna M <satheeshakrishna.m at intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 5755f59..93bd9bf 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1005,7 +1005,10 @@ found:
 				&pipe_config->dp_m2_n2);
 	}
 
-	if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+	if (IS_SKYLAKE(dev)) {
+		if (is_edp(intel_dp))
+			pipe_config->ddi_pll_sel = SKL_DPLL0;
+	} else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 		hsw_dp_set_ddi_pll_sel(pipe_config, intel_dp->link_bw);
 	else
 		intel_dp_set_clock(encoder, pipe_config, intel_dp->link_bw);
-- 
1.8.3.1




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