From: Ville Syrjälä Date: Thu, 16 Jan 2025 20:16:33 +0000 (+0200) Subject: drm/i915: Warn if someone tries to use intel_set_transcoder_timings*() on DSI outputs X-Git-Tag: v6.15-rc1~120^2~16^2~213 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f1b673cec361b4ab20b817340f74e75d070f312;p=thirdparty%2Fkernel%2Flinux.git drm/i915: Warn if someone tries to use intel_set_transcoder_timings*() on DSI outputs intel_set_transcoder_timings*() aren't currently suitable for DSI. Warn if someone accidentally calls them in such cases. Cc: Paz Zcharya Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-5-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index e6501143ab7cf..d0989a85e59c9 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -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;