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drm/i915: Skip DDI PLL selection for DSI
author
Mika Kahola
<mika.kahola@intel.com>
Fri, 5 Feb 2016 11:29:28 +0000
(13:29 +0200)
committer
Jani Nikula
<jani.nikula@intel.com>
Tue, 9 Feb 2016 15:32:21 +0000
(17:32 +0200)
Skip DDI PLL selection if display type is DSI/MIPI.
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/1454671768-27062-1-git-send-email-mika.kahola@intel.com
drivers/gpu/drm/i915/intel_display.c
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diff --git
a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index
5bc9a36
..
76421c9
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_display.c
+++ b/
drivers/gpu/drm/i915/intel_display.c
@@
-9848,8
+9848,13
@@
static void broadwell_modeset_commit_cdclk(struct drm_atomic_state *old_state)
static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state)
{
- if (!intel_ddi_pll_select(crtc, crtc_state))
- return -EINVAL;
+ struct intel_encoder *intel_encoder =
+ intel_ddi_get_crtc_new_encoder(crtc_state);
+
+ if (intel_encoder->type != INTEL_OUTPUT_DSI) {
+ if (!intel_ddi_pll_select(crtc, crtc_state))
+ return -EINVAL;
+ }
crtc->lowfreq_avail = false;