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drm/i915: Warn if someone tries to use intel_set_transcoder_timings*() on DSI outputs

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intel_set_transcoder_timings*() aren't currently suitable for DSI.
Warn if someone accidentally calls them in such cases.

Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2025-01-16 22:16:33 +02:00
parent d6d4dc22d5
commit 1f1b673cec
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/display/intel_display.c
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@ -2837,6 +2837,8 @@ static void intel_set_transcoder_timings(const struct intel_crtc_state *crtc_sta
u32 crtc_vdisplay, crtc_vtotal, crtc_vblank_start, crtc_vblank_end;
int vsyncshift = 0;
drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder));
/* We need to be careful not to changed the adjusted mode, for otherwise
* the hw state checker will get angry at the mismatch. */
crtc_vdisplay = adjusted_mode->crtc_vdisplay;
@ -2918,6 +2920,8 @@ static void intel_set_transcoder_timings_lrr(const struct intel_crtc_state *crtc
const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
u32 crtc_vdisplay, crtc_vtotal, crtc_vblank_start, crtc_vblank_end;
drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder));
crtc_vdisplay = adjusted_mode->crtc_vdisplay;
crtc_vtotal = adjusted_mode->crtc_vtotal;
crtc_vblank_start = adjusted_mode->crtc_vblank_start;