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From 2bd6fc752ce3fc93c0eba01a8726858ff656a198 Mon Sep 17 00:00:00 2001
From: "Leo (Sunpeng) Li" <sunpeng.li@amd.com>
Date: Tue, 30 Jan 2018 11:14:27 -0500
Subject: [PATCH 3561/4131] drm/amd/display: Refactor max color lut entries
into a macro.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Kalyan Alle <kalyan.alle@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +++--
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 ++
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c | 7 ++-----
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6cf7d0c..b82d76e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3301,8 +3301,9 @@ static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
acrtc->base.enabled = false;
dm->adev->mode_info.crtcs[crtc_index] = acrtc;
- drm_crtc_enable_color_mgmt(&acrtc->base, 256, true, 256);
- drm_mode_crtc_set_gamma_size(&acrtc->base, 256);
+ drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES,
+ true, MAX_COLOR_LUT_ENTRIES);
+ drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LUT_ENTRIES);
return 0;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 7e5d5cd..c40c13a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -269,6 +269,8 @@ void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc);
#define amdgpu_dm_crtc_handle_crc_irq(x)
#endif
+#define MAX_COLOR_LUT_ENTRIES 256
+
void amdgpu_dm_init_color_mod(void);
int amdgpu_dm_set_degamma_lut(struct drm_crtc_state *crtc_state,
struct dc_plane_state *dc_plane_state);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
index cc3ee07..eeaf392 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
@@ -27,9 +27,6 @@
#include "amdgpu_dm.h"
#include "modules/color/color_gamma.h"
-
-#define MAX_LUT_ENTRIES 256
-
/*
* Return true if the given lut is a linear mapping of values, i.e. it acts
* like a bypass LUT.
@@ -44,12 +41,12 @@ static bool __is_lut_linear(struct drm_color_lut *lut)
uint32_t expected;
int delta;
- for (i = 0; i < MAX_LUT_ENTRIES; i++) {
+ for (i = 0; i < MAX_COLOR_LUT_ENTRIES; i++) {
/* All color values should equal */
if ((lut[i].red != lut[i].green) || (lut[i].green != lut[i].blue))
return false;
- expected = i * max_os / (MAX_LUT_ENTRIES-1);
+ expected = i * max_os / (MAX_COLOR_LUT_ENTRIES-1);
/* Allow a +/-1 error. */
delta = lut[i].red - expected;
--
2.7.4
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