Merge tag 'drm-fixes-2020-05-29-1' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "A couple of amdgpu fixes and minor ingenic fixes:

  amdgpu:
   - display atomic test fix
   - Fix soft hang in display vupdate code

  ingenic:
   - fix pointer cast
   - fix crtc atomic check callback"

* tag 'drm-fixes-2020-05-29-1' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: Fix potential integer wraparound resulting in a hang
  drm/amd/display: drop cursor position check in atomic test
  gpu/drm: Ingenic: Fix opaque pointer casted to wrong type
  gpu/drm: ingenic: Fix bogus crtc_atomic_check callback

3 files changed, 5 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 28e651b173abda..7fc15b82fe48af 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7880,13 +7880,6 @@ static int dm_update_plane_state(struct dc *dc,
 			return -EINVAL;
 		}
 
-		if (new_plane_state->crtc_x <= -new_acrtc->max_cursor_width ||
-			new_plane_state->crtc_y <= -new_acrtc->max_cursor_height) {
-			DRM_DEBUG_ATOMIC("Bad cursor position %d, %d\n",
-							 new_plane_state->crtc_x, new_plane_state->crtc_y);
-			return -EINVAL;
-		}
-
 		return 0;
 	}
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 82fc3d5b3b2a27..416afb99529d18 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1684,6 +1684,8 @@ static void delay_cursor_until_vupdate(struct dc *dc, struct pipe_ctx *pipe_ctx)
 		return;
 
 	/* Stall out until the cursor update completes. */
+	if (vupdate_end < vupdate_start)
+		vupdate_end += stream->timing.v_total;
 	us_vupdate = (vupdate_end - vupdate_start + 1) * us_per_line;
 	udelay(us_to_vupdate + us_vupdate);
 }
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
index 1754c054706906..548cc25ea4abed 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
@@ -328,8 +328,8 @@ static int ingenic_drm_crtc_atomic_check(struct drm_crtc *crtc,
 	if (!drm_atomic_crtc_needs_modeset(state))
 		return 0;
 
-	if (state->mode.hdisplay > priv->soc_info->max_height ||
-	    state->mode.vdisplay > priv->soc_info->max_width)
+	if (state->mode.hdisplay > priv->soc_info->max_width ||
+	    state->mode.vdisplay > priv->soc_info->max_height)
 		return -EINVAL;
 
 	rate = clk_round_rate(priv->pix_clk,
@@ -474,7 +474,7 @@ static int ingenic_drm_encoder_atomic_check(struct drm_encoder *encoder,
 
 static irqreturn_t ingenic_drm_irq_handler(int irq, void *arg)
 {
-	struct ingenic_drm *priv = arg;
+	struct ingenic_drm *priv = drm_device_get_priv(arg);
 	unsigned int state;
 
 	regmap_read(priv->map, JZ_REG_LCD_STATE, &state);