Skip DDI PLL selection if display type is DSI/MIPI.
Signed-off-by: Mika Kahola <[email protected]>
---
drivers/gpu/drm/i915/intel_display.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index d7de2a5..5da98b2 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9902,8 +9902,13 @@ 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;
--
1.9.1
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