From: Wenjing Liu <wenjing.liu@amd.com>
Date: Thu, 26 Mar 2026 21:13:27 +0000 (-0400)
Subject: drm/amd/display: add const qualifiers to watermark params struct
X-Git-Tag: v7.1-rc1~24^2~3^2~18
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=dd2308c1d007d7a3416c02e542abdc6acc23966d;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: add const qualifiers to watermark params struct

[why]
There are few non const input pointer fields. Setting them to const to
prevent future modification of read-only data.

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h
index 41d0c99d0864..987b29808ca4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h
@@ -1721,30 +1721,30 @@ struct dml2_core_calcs_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport_param
 	double ReturnBW;
 	bool SynchronizeTimings;
 	bool SynchronizeDRRDisplaysForUCLKPStateChange;
-	unsigned int *dpte_group_bytes;
+	const unsigned int *dpte_group_bytes;
 	struct dml2_core_internal_SOCParametersList mmSOCParameters;
 	unsigned int WritebackChunkSize;
 	double SOCCLK;
 	double DCFClkDeepSleep;
-	unsigned int *DETBufferSizeY;
-	unsigned int *DETBufferSizeC;
-	unsigned int *SwathHeightY;
-	unsigned int *SwathHeightC;
-	unsigned int *SwathWidthY;
-	unsigned int *SwathWidthC;
-	unsigned int *DPPPerSurface;
-	double *BytePerPixelDETY;
-	double *BytePerPixelDETC;
-	unsigned int *DSTXAfterScaler;
-	unsigned int *DSTYAfterScaler;
+	const unsigned int *DETBufferSizeY;
+	const unsigned int *DETBufferSizeC;
+	const unsigned int *SwathHeightY;
+	const unsigned int *SwathHeightC;
+	const unsigned int *SwathWidthY;
+	const unsigned int *SwathWidthC;
+	const unsigned int *DPPPerSurface;
+	const double *BytePerPixelDETY;
+	const double *BytePerPixelDETC;
+	const unsigned int *DSTXAfterScaler;
+	const unsigned int *DSTYAfterScaler;
 	bool UnboundedRequestEnabled;
 	unsigned int CompressedBufferSizeInkByte;
 	bool max_outstanding_when_urgent_expected;
-	unsigned int max_outstanding_requests;
-	unsigned int max_request_size_bytes;
-	unsigned int *meta_row_height_l;
-	unsigned int *meta_row_height_c;
-	enum dml2_pstate_method *uclk_pstate_switch_modes;
+	const unsigned int max_outstanding_requests;
+	const unsigned int max_request_size_bytes;
+	const unsigned int *meta_row_height_l;
+	const unsigned int *meta_row_height_c;
+	const enum dml2_pstate_method *uclk_pstate_switch_modes;
 
 	// Output
 	struct dml2_core_internal_watermarks *Watermark;