Commit 6f9976bd authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Do vrr push before sampling the frame counter 



Do the vrr push before we sample the frame counter to
know when the commit has been latched. Doing these in the
wrong order could lead us to complete the flip before it
has actually happened.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211020223339.669-3-ville.syrjala@linux.intel.com


Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
parent 38a1b50c

drivers/gpu/drm/i915/display/intel_crtc.c

+3 −3
Original line number Diff line number Diff line
@@ -542,6 +542,9 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) 


	trace_intel_pipe_update_end(crtc, end_vbl_count, scanline_end);



	/* Send VRR Push to terminate Vblank */

	intel_vrr_send_push(new_crtc_state);



	/*

	 * Incase of mipi dsi command mode, we need to set frame update

	 * request for every commit.
@@ -568,9 +571,6 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) 


	local_irq_enable();



	/* Send VRR Push to terminate Vblank */

	intel_vrr_send_push(new_crtc_state);



	if (intel_vgpu_active(dev_priv))

		return;