Merge tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Core:
   - shared fencing staging removal
   - drop transactional atomic helpers and move helpers to new location
   - DP/MST atomic cleanup
   - Leasing cleanups and drop EXPORT_SYMBOL
   - Convert drivers to atomic helpers and generic fbdev.
   - removed deprecated obj_ref/unref in favour of get/put
   - Improve dumb callback documentation
   - MODESET_LOCK_BEGIN/END helpers

  panels:
   - CDTech panels, Banana Pi Panel, DLC1010GIG,
   - Olimex LCD-O-LinuXino, Samsung S6D16D0, Truly NT35597 WQXGA,
   - Himax HX8357D, simulated RTSM AEMv8.
   - GPD Win2 panel
   - AUO G101EVN010

  vgem:
   - render node support

  ttm:
   - move global init out of drivers
   - fix LRU handling for ghost objects
   - Support for simultaneous submissions to multiple engines

  scheduler:
   - timeout/fault handling changes to help GPU recovery
   - helpers for hw with preemption support

  i915:
   - Scaler/Watermark fixes
   - DP MST + powerwell fixes
   - PSR fixes
   - Break long get/put shmemfs pages
   - Icelake fixes
   - Icelake DSI video mode enablement
   - Engine workaround improvements

  amdgpu:
   - freesync support
   - GPU reset enabled on CI, VI, SOC15 dGPUs
   - ABM support in DC
   - KFD support for vega12/polaris12
   - SDMA paging queue on vega
   - More amdkfd code sharing
   - DCC scanout on GFX9
   - DC kerneldoc
   - Updated SMU firmware for GFX8 chips
   - XGMI PSP + hive reset support
   - GPU reset
   - DC trace support
   - Powerplay updates for newer Polaris
   - Cursor plane update fast path
   - kfd dma-buf support

  virtio-gpu:
   - add EDID support

  vmwgfx:
   - pageflip with damage support

  nouveau:
   - Initial Turing TU104/TU106 modesetting support

  msm:
   - a2xx gpu support for apq8060 and imx5
   - a2xx gpummu support
   - mdp4 display support for apq8060
   - DPU fixes and cleanups
   - enhanced profiling support
   - debug object naming interface
   - get_iova/page pinning decoupling

  tegra:
   - Tegra194 host1x, VIC and display support enabled
   - Audio over HDMI for Tegra186 and Tegra194

  exynos:
   - DMA/IOMMU refactoring
   - plane alpha + blend mode support
   - Color format fixes for mixer driver

  rcar-du:
   - R8A7744 and R8A77470 support
   - R8A77965 LVDS support

  imx:
   - fbdev emulation fix
   - multi-tiled scalling fixes
   - SPDX identifiers

  rockchip
   - dw_hdmi support
   - dw-mipi-dsi + dual dsi support
   - mailbox read size fix

  qxl:
   - fix cursor pinning

  vc4:
   - YUV support (scaling + cursor)

  v3d:
   - enable TFU (Texture Formatting Unit)

  mali-dp:
   - add support for linear tiled formats

  sun4i:
   - Display Engine 3 support
   - H6 DE3 mixer 0 support
   - H6 display engine support
   - dw-hdmi support
   - H6 HDMI phy support
   - implicit fence waiting
   - BGRX8888 support

  meson:
   - Overlay plane support
   - implicit fence waiting
   - HDMI 1.4 4k modes

  bridge:
   - i2c fixes for sii902x"

* tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm: (1403 commits)
  drm/amd/display: Add fast path for cursor plane updates
  drm/amdgpu: Enable GPU recovery by default for CI
  drm/amd/display: Fix duplicating scaling/underscan connector state
  drm/amd/display: Fix unintialized max_bpc state values
  Revert "drm/amd/display: Set RMX_ASPECT as default"
  drm/amdgpu: Fix stub function name
  drm/msm/dpu: Fix clock issue after bind failure
  drm/msm/dpu: Clean up dpu_media_info.h static inline functions
  drm/msm/dpu: Further cleanups for static inline functions
  drm/msm/dpu: Cleanup the debugfs functions
  drm/msm/dpu: Remove dpu_irq and unused functions
  drm/msm: Make irq_postinstall optional
  drm/msm/dpu: Cleanup callers of dpu_hw_blk_init
  drm/msm/dpu: Remove unused functions
  drm/msm/dpu: Remove dpu_crtc_is_enabled()
  drm/msm/dpu: Remove dpu_crtc_get_mixer_height
  drm/msm/dpu: Remove dpu_dbg
  drm/msm: dpu: Remove crtc_lock
  drm/msm: dpu: Remove vblank_requested flag from dpu_crtc
  drm/msm: dpu: Separate crtc assignment from vblank enable
  ...

1 files changed, 5 insertions, 31 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
index acb8dc8acaa5..018df2c3b7ed 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
@@ -15,7 +15,6 @@
 #include "dpu_hwio.h"
 #include "dpu_hw_lm.h"
 #include "dpu_hw_mdss.h"
-#include "dpu_dbg.h"
 #include "dpu_kms.h"
 
 #define LM_OP_MODE                        0x00
@@ -64,16 +63,10 @@ static struct dpu_lm_cfg *_lm_offset(enum dpu_lm mixer,
 static inline int _stage_offset(struct dpu_hw_mixer *ctx, enum dpu_stage stage)
 {
 	const struct dpu_lm_sub_blks *sblk = ctx->cap->sblk;
-	int rc;
+	if (stage != DPU_STAGE_BASE && stage <= sblk->maxblendstages)
+		return sblk->blendstage_base[stage - DPU_STAGE_0];
 
-	if (stage == DPU_STAGE_BASE)
-		rc = -EINVAL;
-	else if (stage <= sblk->maxblendstages)
-		rc = sblk->blendstage_base[stage - DPU_STAGE_0];
-	else
-		rc = -EINVAL;
-
-	return rc;
+	return -EINVAL;
 }
 
 static void dpu_hw_lm_setup_out(struct dpu_hw_mixer *ctx,
@@ -163,11 +156,6 @@ static void dpu_hw_lm_setup_color3(struct dpu_hw_mixer *ctx,
 	DPU_REG_WRITE(c, LM_OP_MODE, op_mode);
 }
 
-static void dpu_hw_lm_gc(struct dpu_hw_mixer *mixer,
-			void *cfg)
-{
-}
-
 static void _setup_mixer_ops(struct dpu_mdss_cfg *m,
 		struct dpu_hw_lm_ops *ops,
 		unsigned long features)
@@ -179,13 +167,9 @@ static void _setup_mixer_ops(struct dpu_mdss_cfg *m,
 		ops->setup_blend_config = dpu_hw_lm_setup_blend_config;
 	ops->setup_alpha_out = dpu_hw_lm_setup_color3;
 	ops->setup_border_color = dpu_hw_lm_setup_border_color;
-	ops->setup_gc = dpu_hw_lm_gc;
 };
 
-static struct dpu_hw_blk_ops dpu_hw_ops = {
-	.start = NULL,
-	.stop = NULL,
-};
+static struct dpu_hw_blk_ops dpu_hw_ops;
 
 struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
 		void __iomem *addr,
@@ -193,7 +177,6 @@ struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
 {
 	struct dpu_hw_mixer *c;
 	struct dpu_lm_cfg *cfg;
-	int rc;
 
 	c = kzalloc(sizeof(*c), GFP_KERNEL);
 	if (!c)
@@ -210,18 +193,9 @@ struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
 	c->cap = cfg;
 	_setup_mixer_ops(m, &c->ops, c->cap->features);
 
-	rc = dpu_hw_blk_init(&c->base, DPU_HW_BLK_LM, idx, &dpu_hw_ops);
-	if (rc) {
-		DPU_ERROR("failed to init hw blk %d\n", rc);
-		goto blk_init_error;
-	}
+	dpu_hw_blk_init(&c->base, DPU_HW_BLK_LM, idx, &dpu_hw_ops);
 
 	return c;
-
-blk_init_error:
-	kzfree(c);
-
-	return ERR_PTR(rc);
 }
 
 void dpu_hw_lm_destroy(struct dpu_hw_mixer *lm)