Merge tag 'drm-misc-next-fixes-2021-05-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

Two patches, one to fix a null pointer dereference in msm, and one to
fix an unused warning for in fbdev when PROCFS is disabled.

Signed-off-by: Dave Airlie <[email protected]>

# gpg: Signature made Thu 06 May 2021 22:26:35 AEST
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From: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20210506122723.oqadel7oacazywij@gilmour

Author: airlied

drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c

@@ -648,16 +648,6 @@ static void dpu_crtc_atomic_flush(struct drm_crtc *crtc,
 	if (unlikely(!cstate->num_mixers))
 		return;
 
-	/*
-	 * For planes without commit update, drm framework will not add
-	 * those planes to current state since hardware update is not
-	 * required. However, if those planes were power collapsed since
-	 * last commit cycle, driver has to restore the hardware state
-	 * of those planes explicitly here prior to plane flush.
-	 */
-	drm_atomic_crtc_for_each_plane(plane, crtc)
-		dpu_plane_restore(plane, state);
-
 	/* update performance setting before crtc kickoff */
 	dpu_core_perf_crtc_update(crtc, 1, false);
 

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c

@@ -1258,22 +1258,6 @@ static void dpu_plane_atomic_update(struct drm_plane *plane,
 	}
 }
 
-void dpu_plane_restore(struct drm_plane *plane, struct drm_atomic_state *state)
-{
-	struct dpu_plane *pdpu;
-
-	if (!plane || !plane->state) {
-		DPU_ERROR("invalid plane\n");
-		return;
-	}
-
-	pdpu = to_dpu_plane(plane);
-
-	DPU_DEBUG_PLANE(pdpu, "\n");
-
-	dpu_plane_atomic_update(plane, state);
-}
-
 static void dpu_plane_destroy(struct drm_plane *plane)
 {
 	struct dpu_plane *pdpu = plane ? to_dpu_plane(plane) : NULL;

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h

@@ -84,12 +84,6 @@ bool is_dpu_plane_virtual(struct drm_plane *plane);
 void dpu_plane_get_ctl_flush(struct drm_plane *plane, struct dpu_hw_ctl *ctl,
 		u32 *flush_sspp);
 
-/**
- * dpu_plane_restore - restore hw state if previously power collapsed
- * @plane: Pointer to drm plane structure
- */
-void dpu_plane_restore(struct drm_plane *plane, struct drm_atomic_state *state);
-
 /**
  * dpu_plane_flush - final plane operations before commit flush
  * @plane: Pointer to drm plane structure

drivers/video/fbdev/core/fbmem.c

@@ -733,7 +733,7 @@ static int fb_seq_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static const struct seq_operations proc_fb_seq_ops = {
+static const struct __maybe_unused seq_operations proc_fb_seq_ops = {
 	.start	= fb_seq_start,
 	.next	= fb_seq_next,
 	.stop	= fb_seq_stop,