Merge tag 'drm-intel-next-2025-06-18' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next

drm/i915 feature pull for v6.17:

Features and functionality:
- Add support for DSC fractional link bpp on DP MST (Imre)
- Add support for simultaneous Panel Replay and Adaptive Sync (Jouni)
- Add support for PTL+ double buffered LUT registers (Chaitanya, Ville)
- Add PIPEDMC event handling in preparation for flip queue (Ville)

Refactoring and cleanups:
- Rename lots of DPLL interfaces to unify them (Suraj)
- Allocate struct intel_display dynamically (Jani)
- Abstract VLV IOSF sideband better (Jani)
- Use str_true_false() helper (Yumeng Fang)
- Refactor DSB code in preparation for flip queue (Ville)
- Use drm_modeset_lock_assert_held() instead of open coding (Luca)
- Remove unused arg from skl_scaler_get_filter_select() (Luca)
- Split out a separate display register header (Jani)
- Abstract DRAM detection better (Jani)
- Convert LPT/WPT SBI sideband to struct intel_display (Jani)

Fixes:
- Fix DSI HS command dispatch with forced pipeline flush (Gareth Yu)
- Fix BMG and LNL+ DP adaptive sync SDP programming (Ankit)
- Fix error path for xe display workqueue allocation (Haoxiang Li)
- Disable DP AUX access probe where not required (Imre)
- Fix DKL PHY access if the port is invalid (Luca)
- Fix PSR2_SU_STATUS access on ADL+ (Jouni)
- Add sanity checks for porch and sync on BXT/GLK DSI (Ville)

DRM core changes:
- Change AUX DPCD access probe address (Imre)
- Refactor EDID quirks, amd make them available to drivers (Imre)
- Add quirk for DPCD access probe (Imre)
- Add DPCD definitions for Panel Replay capabilities (Jouni)

Merges:
- Backmerges to sync with v6.15-rcs and v6.16-rc1 (Jani)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/fff9f231850ed410bd81b53de43eff0b98240d31@intel.com

1 files changed, 10 insertions, 7 deletions

diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index 8080f777910a..2c2371574d6f 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -7,6 +7,8 @@
 
 #include <drm/drm_blend.h>
 
+#include "soc/intel_dram.h"
+
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "i9xx_wm.h"
@@ -19,6 +21,7 @@
 #include "intel_de.h"
 #include "intel_display.h"
 #include "intel_display_power.h"
+#include "intel_display_regs.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_fb.h"
@@ -3184,8 +3187,6 @@ void skl_watermark_ipc_update(struct intel_display *display)
 
 static bool skl_watermark_ipc_can_enable(struct intel_display *display)
 {
-	struct drm_i915_private *i915 = to_i915(display->drm);
-
 	/* Display WA #0477 WaDisableIPC: skl */
 	if (display->platform.skylake)
 		return false;
@@ -3193,8 +3194,11 @@ static bool skl_watermark_ipc_can_enable(struct intel_display *display)
 	/* Display WA #1141: SKL:all KBL:all CFL */
 	if (display->platform.kabylake ||
 	    display->platform.coffeelake ||
-	    display->platform.cometlake)
-		return i915->dram_info.symmetric_memory;
+	    display->platform.cometlake) {
+		const struct dram_info *dram_info = intel_dram_info(display->drm);
+
+		return dram_info->symmetric_memory;
+	}
 
 	return true;
 }
@@ -3213,8 +3217,7 @@ static void
 adjust_wm_latency(struct intel_display *display,
 		  u16 wm[], int num_levels, int read_latency)
 {
-	struct drm_i915_private *i915 = to_i915(display->drm);
-	bool wm_lv_0_adjust_needed = i915->dram_info.wm_lv_0_adjust_needed;
+	const struct dram_info *dram_info = intel_dram_info(display->drm);
 	int i, level;
 
 	/*
@@ -3250,7 +3253,7 @@ adjust_wm_latency(struct intel_display *display,
 	 * any underrun. If not able to get Dimm info assume 16GB dimm
 	 * to avoid any underrun.
 	 */
-	if (wm_lv_0_adjust_needed)
+	if (!display->platform.dg2 && dram_info->wm_lv_0_adjust_needed)
 		wm[0] += 1;
 }