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, 16 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.h b/drivers/gpu/drm/i915/gt/intel_engine_pm.h
index d68675925b79..1d97c435a015 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.h
@@ -10,6 +10,7 @@
 #include "i915_request.h"
 #include "intel_engine_types.h"
 #include "intel_wakeref.h"
+#include "intel_gt.h"
 #include "intel_gt_pm.h"
 
 static inline bool
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
index 970bedf6b78a..e1f13735f530 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -167,6 +167,20 @@ void intel_gt_release_all(struct drm_i915_private *i915);
 	     (id__)++) \
 		for_each_if(((gt__) = (i915__)->gt[(id__)]))
 
+/* Simple iterator over all initialised engines */
+#define for_each_engine(engine__, gt__, id__) \
+	for ((id__) = 0; \
+	     (id__) < I915_NUM_ENGINES; \
+	     (id__)++) \
+		for_each_if ((engine__) = (gt__)->engine[(id__)])
+
+/* Iterator over subset of engines selected by mask */
+#define for_each_engine_masked(engine__, gt__, mask__, tmp__) \
+	for ((tmp__) = (mask__) & (gt__)->info.engine_mask; \
+	     (tmp__) ? \
+	     ((engine__) = (gt__)->engine[__mask_next_bit(tmp__)]), 1 : \
+	     0;)
+
 void intel_gt_info_print(const struct intel_gt_info *info,
 			 struct drm_printer *p);
 
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_engines_debugfs.c b/drivers/gpu/drm/i915/gt/intel_gt_engines_debugfs.c
index 8f9b874fdc9c..3aa1d014c14d 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_engines_debugfs.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_engines_debugfs.c
@@ -6,8 +6,8 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_drv.h" /* for_each_engine! */
 #include "intel_engine.h"
+#include "intel_gt.h"
 #include "intel_gt_debugfs.h"
 #include "intel_gt_engines_debugfs.h"