Merge tag 'drm-intel-next-2023-11-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

drm/i915 feature pull for v6.8:

Features and functionality:
- Major DP MST improvements on bandwidth management, DSC (Imre, Stan, Ville)
- DP panel replay enabling (Animesh, Jouni)
- MTL C20 phy state verification (Mika)
- MTL DP DSC fractional bpp support (Ankit, Vandita, Swati, Imre)
- Audio fastset support (Ville)

Refactoring and cleanups:
- Use dma fence interfaces instead of i915_sw_fence (Jouni)
- Separate gem and display code (Jouni, Juha-Pekka)
- AUX register macro refactoring (Jani)
- Separate display module/device parameters from the rest (Jouni)
- Move display capabilities debugfs under display (Vinod)
- Makefile cleanup (Jani)
- Register cleanups (Ville)
- Enginer iterator cleanups (Tvrtko)
- Move display lock inits under display/ (Jani)
- VLV/CHV DPIO PHY register and interface refactoring (Jani)
- DSI VBT sequence refactoring (Jani, Andy Shevchenko)
- C10/C20 PHY PLL hardware readout and calculation abstractions (Lucas)
- DPLL code cleanups (Ville)
- Cleanup PXP plane protection checks (Jani)

Fixes:
- Replace VLV/CHV DSI GPIO direct access with proper GPIO API usage (Andy Shevchenko)
- Fix VLV/CHV DSI GPIO wrong initial value (Hans de Goede)
- Fix UHBR data, link M/N/TU and PBN values (Imre)
- Fix HDCP state on an enable/disable cycle (Suraj)
- Fix DP MST modeset sequence to be according to spec (Ville)
- Improved atomicity for multi-pipe commits (Ville)
- Update URLs in i915 MAINTAINERS entry and code (Jani)
- Check for VGA converter presence in eDP probe (Ville)
- Fix surface size checks (Ville)
- Fix LNL port/phy assignment (Lucas)
- Reset C10/C20 message bus harder to avoid sporadic failures (Mika)
- Fix bogus VBT HDMI level shift on BDW (Ville)
- Add workaround for LNL underruns when enabling FBC (Vinod)
- DSB refactoring (Animesh)
- DPT refactoring (Juha-Pekka)
- Disable DSC on DP MST on ICL (Imre)
- Fix PSR VSC packet setup timing (Mika)
- Fix LUT rounding and conversions (Ville)

DRM core display changes:
- DP MST fixes, helpers, refactoring to support bandwidth management (Imre)
- DP MST PBN divider value refactoring and fixes (Imre)
- DPCD register definitions (Ankit, Imre)
- Add helper to get DSC bpp precision (Ankit)
- Fix color LUT rounding (Ville)

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87v89sl2ao.fsf@intel.com
[sima: Some conflicts in the amdgpu dp mst code]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

3 files changed, 5 insertions, 6 deletions

diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 05f9348b7a9d..d4a3f3e093b0 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -3047,7 +3047,7 @@ put_obj:
 
 static int combine_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
 {
-	u32 per_ctx_start[CACHELINE_DWORDS] = {0};
+	u32 per_ctx_start[CACHELINE_DWORDS] = {};
 	unsigned char *bb_start_sva;
 
 	if (!wa_ctx->per_ctx.valid)
diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c
index 835c3fde8a20..313efdabee57 100644
--- a/drivers/gpu/drm/i915/gvt/fb_decoder.c
+++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c
@@ -56,7 +56,7 @@ static const struct pixel_format bdw_pixel_formats[] = {
 	{DRM_FORMAT_XBGR8888, 32, "32-bit RGBX (8:8:8:8 MSB-X:B:G:R)"},
 
 	/* non-supported format has bpp default to 0 */
-	{0, 0, NULL},
+	{}
 };
 
 static const struct pixel_format skl_pixel_formats[] = {
@@ -76,7 +76,7 @@ static const struct pixel_format skl_pixel_formats[] = {
 	{DRM_FORMAT_XRGB2101010, 32, "32-bit BGRX (2:10:10:10 MSB-X:R:G:B)"},
 
 	/* non-supported format has bpp default to 0 */
-	{0, 0, NULL},
+	{}
 };
 
 static int bdw_format_to_drm(int format)
@@ -293,7 +293,7 @@ static const struct cursor_mode_format cursor_pixel_formats[] = {
 	{DRM_FORMAT_ARGB8888, 32, 64, 64, "64x64 32bpp ARGB"},
 
 	/* non-supported format has bpp default to 0 */
-	{0, 0, 0, 0, NULL},
+	{}
 };
 
 static int cursor_mode_to_drm(int mode)
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index a9f7fa9b90bd..90f6c1ece57d 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -538,7 +538,7 @@ static u32 bxt_vgpu_get_dp_bitrate(struct intel_vgpu *vgpu, enum port port)
 	int refclk = vgpu->gvt->gt->i915->display.dpll.ref_clks.nssc;
 	enum dpio_phy phy = DPIO_PHY0;
 	enum dpio_channel ch = DPIO_CH0;
-	struct dpll clock = {0};
+	struct dpll clock = {};
 	u32 temp;
 
 	/* Port to PHY mapping is fixed, see bxt_ddi_phy_info{} */
@@ -2576,7 +2576,6 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
 
 static int init_skl_mmio_info(struct intel_gvt *gvt)
 {
-	struct drm_i915_private *dev_priv = gvt->gt->i915;
 	int ret;
 
 	MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);