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drm: amd: remove dead code and pointless local lut storage

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The redundant fb helpers .load_lut, .gamma_set and .gamma_get are
no longer used. Remove the dead code and hook up the crtc .gamma_set
to use the crtc gamma_store directly instead of duplicating that
info locally.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170713162538.22788-5-peda@axentia.se
This commit is contained in:
Peter Rosin 2017-07-13 18:25:28 +02:00 committed by Daniel Vetter
parent 8415ab565d
commit 76dd3cd840
7 changed files with 28 additions and 128 deletions
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24
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
View File

@ -311,31 +311,7 @@ static int amdgpu_fbdev_destroy(struct drm_device *dev, struct amdgpu_fbdev *rfb
return 0;
}
/** Sets the color ramps on behalf of fbcon */
static void amdgpu_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
amdgpu_crtc->lut_r[regno] = red >> 6;
amdgpu_crtc->lut_g[regno] = green >> 6;
amdgpu_crtc->lut_b[regno] = blue >> 6;
}
/** Gets the color ramps on behalf of fbcon */
static void amdgpu_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, int regno)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
*red = amdgpu_crtc->lut_r[regno] << 6;
*green = amdgpu_crtc->lut_g[regno] << 6;
*blue = amdgpu_crtc->lut_b[regno] << 6;
}
static const struct drm_fb_helper_funcs amdgpu_fb_helper_funcs = {
.gamma_set = amdgpu_crtc_fb_gamma_set,
.gamma_get = amdgpu_crtc_fb_gamma_get,
.fb_probe = amdgpufb_create,
};

1
drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
View File

@ -369,7 +369,6 @@ struct amdgpu_atom_ss {
struct amdgpu_crtc {
struct drm_crtc base;
int crtc_id;
u16 lut_r[256], lut_g[256], lut_b[256];
bool enabled;
bool can_tile;
uint32_t crtc_offset;

27
drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
View File

@ -2267,6 +2267,7 @@ static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct amdgpu_device *adev = dev->dev_private;
u16 *r, *g, *b;
int i;
u32 tmp;
@ -2304,11 +2305,14 @@ static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
(amdgpu_crtc->lut_r[i] << 20) |
(amdgpu_crtc->lut_g[i] << 10) |
(amdgpu_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
@ -2624,15 +2628,6 @@ static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
int i;
/* userspace palettes are always correct as is */
for (i = 0; i < size; i++) {
amdgpu_crtc->lut_r[i] = red[i] >> 6;
amdgpu_crtc->lut_g[i] = green[i] >> 6;
amdgpu_crtc->lut_b[i] = blue[i] >> 6;
}
dce_v10_0_crtc_load_lut(crtc);
return 0;
@ -2844,14 +2839,12 @@ static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
.mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
.prepare = dce_v10_0_crtc_prepare,
.commit = dce_v10_0_crtc_commit,
.load_lut = dce_v10_0_crtc_load_lut,
.disable = dce_v10_0_crtc_disable,
};
static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
{
struct amdgpu_crtc *amdgpu_crtc;
int i;
amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
(AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
@ -2869,12 +2862,6 @@ static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
for (i = 0; i < 256; i++) {
amdgpu_crtc->lut_r[i] = i << 2;
amdgpu_crtc->lut_g[i] = i << 2;
amdgpu_crtc->lut_b[i] = i << 2;
}
switch (amdgpu_crtc->crtc_id) {
case 0:
default:

27
drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
View File

@ -2251,6 +2251,7 @@ static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct amdgpu_device *adev = dev->dev_private;
u16 *r, *g, *b;
int i;
u32 tmp;
@ -2282,11 +2283,14 @@ static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
(amdgpu_crtc->lut_r[i] << 20) |
(amdgpu_crtc->lut_g[i] << 10) |
(amdgpu_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
@ -2644,15 +2648,6 @@ static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
int i;
/* userspace palettes are always correct as is */
for (i = 0; i < size; i++) {
amdgpu_crtc->lut_r[i] = red[i] >> 6;
amdgpu_crtc->lut_g[i] = green[i] >> 6;
amdgpu_crtc->lut_b[i] = blue[i] >> 6;
}
dce_v11_0_crtc_load_lut(crtc);
return 0;
@ -2892,14 +2887,12 @@ static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
.prepare = dce_v11_0_crtc_prepare,
.commit = dce_v11_0_crtc_commit,
.load_lut = dce_v11_0_crtc_load_lut,
.disable = dce_v11_0_crtc_disable,
};
static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
{
struct amdgpu_crtc *amdgpu_crtc;
int i;
amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
(AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
@ -2917,12 +2910,6 @@ static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
for (i = 0; i < 256; i++) {
amdgpu_crtc->lut_r[i] = i << 2;
amdgpu_crtc->lut_g[i] = i << 2;
amdgpu_crtc->lut_b[i] = i << 2;
}
switch (amdgpu_crtc->crtc_id) {
case 0:
default:

27
drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
View File

@ -2182,6 +2182,7 @@ static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct amdgpu_device *adev = dev->dev_private;
u16 *r, *g, *b;
int i;
DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
@ -2211,11 +2212,14 @@ static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
(amdgpu_crtc->lut_r[i] << 20) |
(amdgpu_crtc->lut_g[i] << 10) |
(amdgpu_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
@ -2496,15 +2500,6 @@ static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
int i;
/* userspace palettes are always correct as is */
for (i = 0; i < size; i++) {
amdgpu_crtc->lut_r[i] = red[i] >> 6;
amdgpu_crtc->lut_g[i] = green[i] >> 6;
amdgpu_crtc->lut_b[i] = blue[i] >> 6;
}
dce_v6_0_crtc_load_lut(crtc);
return 0;
@ -2712,14 +2707,12 @@ static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
.mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
.prepare = dce_v6_0_crtc_prepare,
.commit = dce_v6_0_crtc_commit,
.load_lut = dce_v6_0_crtc_load_lut,
.disable = dce_v6_0_crtc_disable,
};
static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
{
struct amdgpu_crtc *amdgpu_crtc;
int i;
amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
(AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
@ -2737,12 +2730,6 @@ static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
for (i = 0; i < 256; i++) {
amdgpu_crtc->lut_r[i] = i << 2;
amdgpu_crtc->lut_g[i] = i << 2;
amdgpu_crtc->lut_b[i] = i << 2;
}
amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;

27
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
View File

@ -2124,6 +2124,7 @@ static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc)
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct amdgpu_device *adev = dev->dev_private;
u16 *r, *g, *b;
int i;
DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
@ -2153,11 +2154,14 @@ static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc)
WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
r = crtc->gamma_store;
g = r + crtc->gamma_size;
b = g + crtc->gamma_size;
for (i = 0; i < 256; i++) {
WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
(amdgpu_crtc->lut_r[i] << 20) |
(amdgpu_crtc->lut_g[i] << 10) |
(amdgpu_crtc->lut_b[i] << 0));
((*r++ & 0xffc0) << 14) |
((*g++ & 0xffc0) << 4) |
(*b++ >> 6));
}
WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
@ -2475,15 +2479,6 @@ static int dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
int i;
/* userspace palettes are always correct as is */
for (i = 0; i < size; i++) {
amdgpu_crtc->lut_r[i] = red[i] >> 6;
amdgpu_crtc->lut_g[i] = green[i] >> 6;
amdgpu_crtc->lut_b[i] = blue[i] >> 6;
}
dce_v8_0_crtc_load_lut(crtc);
return 0;
@ -2702,14 +2697,12 @@ static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = {
.mode_set_base_atomic = dce_v8_0_crtc_set_base_atomic,
.prepare = dce_v8_0_crtc_prepare,
.commit = dce_v8_0_crtc_commit,
.load_lut = dce_v8_0_crtc_load_lut,
.disable = dce_v8_0_crtc_disable,
};
static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index)
{
struct amdgpu_crtc *amdgpu_crtc;
int i;
amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
(AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
@ -2727,12 +2720,6 @@ static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index)
adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
for (i = 0; i < 256; i++) {
amdgpu_crtc->lut_r[i] = i << 2;
amdgpu_crtc->lut_g[i] = i << 2;
amdgpu_crtc->lut_b[i] = i << 2;
}
amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;

23
drivers/gpu/drm/amd/amdgpu/dce_virtual.c
View File

@ -168,16 +168,6 @@ static int dce_virtual_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
u16 *green, u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
int i;
/* userspace palettes are always correct as is */
for (i = 0; i < size; i++) {
amdgpu_crtc->lut_r[i] = red[i] >> 6;
amdgpu_crtc->lut_g[i] = green[i] >> 6;
amdgpu_crtc->lut_b[i] = blue[i] >> 6;
}
return 0;
}
@ -289,11 +279,6 @@ static int dce_virtual_crtc_set_base(struct drm_crtc *crtc, int x, int y,
return 0;
}
static void dce_virtual_crtc_load_lut(struct drm_crtc *crtc)
{
return;
}
static int dce_virtual_crtc_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y, enum mode_set_atomic state)
@ -309,14 +294,12 @@ static const struct drm_crtc_helper_funcs dce_virtual_crtc_helper_funcs = {
.mode_set_base_atomic = dce_virtual_crtc_set_base_atomic,
.prepare = dce_virtual_crtc_prepare,
.commit = dce_virtual_crtc_commit,
.load_lut = dce_virtual_crtc_load_lut,
.disable = dce_virtual_crtc_disable,
};
static int dce_virtual_crtc_init(struct amdgpu_device *adev, int index)
{
struct amdgpu_crtc *amdgpu_crtc;
int i;
amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
(AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
@ -329,12 +312,6 @@ static int dce_virtual_crtc_init(struct amdgpu_device *adev, int index)
amdgpu_crtc->crtc_id = index;
adev->mode_info.crtcs[index] = amdgpu_crtc;
for (i = 0; i < 256; i++) {
amdgpu_crtc->lut_r[i] = i << 2;
amdgpu_crtc->lut_g[i] = i << 2;
amdgpu_crtc->lut_b[i] = i << 2;
}
amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
amdgpu_crtc->encoder = NULL;
amdgpu_crtc->connector = NULL;