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drm/i915: Fix DSI TE max_vblank_count handling

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commit 33267703df ("drm/i915/dsi: Enable software vblank counter")
claims to get the mode_flags from the crtc_state, but in fact does
not. Fix it to do it right.

Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210304170421.10901-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2021-03-04 19:04:21 +02:00
parent 2c6afc3675
commit 603a945e55
1 changed files with 2 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/gpu/drm/i915/display/intel_crtc.c
View file

@ -51,8 +51,6 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
u32 mode_flags = crtc->mode_flags;
/*
* From Gen 11, In case of dsi cmd mode, frame counter wouldnt
@ -60,7 +58,8 @@ u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state)
* the hw counter, then we would find it updated in only
* the next TE, hence switching to sw counter.
*/
if (mode_flags & (I915_MODE_FLAG_DSI_USE_TE0 | I915_MODE_FLAG_DSI_USE_TE1))
if (crtc_state->mode_flags & (I915_MODE_FLAG_DSI_USE_TE0 |
I915_MODE_FLAG_DSI_USE_TE1))
return 0;
/*