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 41d0c99d08646fd4afc2658c0619dade47157e2b..987b29808ca4a938d242696fcf107266179baa1c 100644 (file)
--- 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;