* [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
@ 2021-06-04 16:59 ` Mark Yacoub
0 siblings, 0 replies; 10+ messages in thread
From: Mark Yacoub @ 2021-06-04 16:59 UTC (permalink / raw)
To: amd-gfx, dri-devel
Cc: alexander.deucher, rodrigo.siqueira, Mark Yacoub, seanpaul, Mark Yacoub
From: Mark Yacoub <markyacoub@google.com>
For each CRTC state, check the size of Gamma and Degamma LUTs so
unexpected and larger sizes wouldn't slip through.
TEST: IGT:kms_color::pipe-invalid-gamma-lut-sizes
Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ++
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 1 +
.../amd/display/amdgpu_dm/amdgpu_dm_color.c | 40 ++++++++++++++++---
3 files changed, 38 insertions(+), 6 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 38d497d30dba8..f6cd522b42a80 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -9402,6 +9402,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
dm_old_crtc_state->dsc_force_changed == false)
continue;
+ if ((ret = amdgpu_dm_verify_lut_sizes(new_crtc_state)))
+ goto fail;
+
if (!new_crtc_state->enable)
continue;
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 8bfe901cf2374..1b77cd2612691 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -541,6 +541,7 @@ void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
#define MAX_COLOR_LEGACY_LUT_ENTRIES 256
void amdgpu_dm_init_color_mod(void);
+int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
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 157fe4efbb599..da6f9fcc0b415 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
@@ -284,6 +284,37 @@ static int __set_input_tf(struct dc_transfer_func *func,
return res ? 0 : -ENOMEM;
}
+/**
+ * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
+ * the expected size.
+ * Returns 0 on success.
+ */
+int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
+{
+ const struct drm_color_lut *lut = NULL;
+ uint32_t size = 0;
+
+ lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
+ if (lut && size != MAX_COLOR_LUT_ENTRIES) {
+ DRM_DEBUG_DRIVER(
+ "Invalid Degamma LUT size. Should be %u but got %u.\n",
+ MAX_COLOR_LUT_ENTRIES, size);
+ return -EINVAL;
+ }
+
+ lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
+ if (lut && size != MAX_COLOR_LUT_ENTRIES &&
+ size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
+ DRM_DEBUG_DRIVER(
+ "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
+ MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
+ size);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/**
* amdgpu_dm_update_crtc_color_mgmt: Maps DRM color management to DC stream.
* @crtc: amdgpu_dm crtc state
@@ -317,14 +348,11 @@ int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc)
bool is_legacy;
int r;
- degamma_lut = __extract_blob_lut(crtc->base.degamma_lut, °amma_size);
- if (degamma_lut && degamma_size != MAX_COLOR_LUT_ENTRIES)
- return -EINVAL;
+ if ((r = amdgpu_dm_verify_lut_sizes(&crtc->base)))
+ return r;
+ degamma_lut = __extract_blob_lut(crtc->base.degamma_lut, °amma_size);
regamma_lut = __extract_blob_lut(crtc->base.gamma_lut, ®amma_size);
- if (regamma_lut && regamma_size != MAX_COLOR_LUT_ENTRIES &&
- regamma_size != MAX_COLOR_LEGACY_LUT_ENTRIES)
- return -EINVAL;
has_degamma =
degamma_lut && !__is_lut_linear(degamma_lut, degamma_size);
--
2.32.0.rc1.229.g3e70b5a671-goog
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
@ 2021-06-04 16:59 ` Mark Yacoub
0 siblings, 0 replies; 10+ messages in thread
From: Mark Yacoub @ 2021-06-04 16:59 UTC (permalink / raw)
To: amd-gfx, dri-devel
Cc: alexander.deucher, rodrigo.siqueira, Mark Yacoub, seanpaul, Mark Yacoub
From: Mark Yacoub <markyacoub@google.com>
For each CRTC state, check the size of Gamma and Degamma LUTs so
unexpected and larger sizes wouldn't slip through.
TEST: IGT:kms_color::pipe-invalid-gamma-lut-sizes
Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ++
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 1 +
.../amd/display/amdgpu_dm/amdgpu_dm_color.c | 40 ++++++++++++++++---
3 files changed, 38 insertions(+), 6 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 38d497d30dba8..f6cd522b42a80 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -9402,6 +9402,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
dm_old_crtc_state->dsc_force_changed == false)
continue;
+ if ((ret = amdgpu_dm_verify_lut_sizes(new_crtc_state)))
+ goto fail;
+
if (!new_crtc_state->enable)
continue;
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 8bfe901cf2374..1b77cd2612691 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -541,6 +541,7 @@ void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
#define MAX_COLOR_LEGACY_LUT_ENTRIES 256
void amdgpu_dm_init_color_mod(void);
+int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
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 157fe4efbb599..da6f9fcc0b415 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
@@ -284,6 +284,37 @@ static int __set_input_tf(struct dc_transfer_func *func,
return res ? 0 : -ENOMEM;
}
+/**
+ * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
+ * the expected size.
+ * Returns 0 on success.
+ */
+int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
+{
+ const struct drm_color_lut *lut = NULL;
+ uint32_t size = 0;
+
+ lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
+ if (lut && size != MAX_COLOR_LUT_ENTRIES) {
+ DRM_DEBUG_DRIVER(
+ "Invalid Degamma LUT size. Should be %u but got %u.\n",
+ MAX_COLOR_LUT_ENTRIES, size);
+ return -EINVAL;
+ }
+
+ lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
+ if (lut && size != MAX_COLOR_LUT_ENTRIES &&
+ size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
+ DRM_DEBUG_DRIVER(
+ "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
+ MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
+ size);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/**
* amdgpu_dm_update_crtc_color_mgmt: Maps DRM color management to DC stream.
* @crtc: amdgpu_dm crtc state
@@ -317,14 +348,11 @@ int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc)
bool is_legacy;
int r;
- degamma_lut = __extract_blob_lut(crtc->base.degamma_lut, °amma_size);
- if (degamma_lut && degamma_size != MAX_COLOR_LUT_ENTRIES)
- return -EINVAL;
+ if ((r = amdgpu_dm_verify_lut_sizes(&crtc->base)))
+ return r;
+ degamma_lut = __extract_blob_lut(crtc->base.degamma_lut, °amma_size);
regamma_lut = __extract_blob_lut(crtc->base.gamma_lut, ®amma_size);
- if (regamma_lut && regamma_size != MAX_COLOR_LUT_ENTRIES &&
- regamma_size != MAX_COLOR_LEGACY_LUT_ENTRIES)
- return -EINVAL;
has_degamma =
degamma_lut && !__is_lut_linear(degamma_lut, degamma_size);
--
2.32.0.rc1.229.g3e70b5a671-goog
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
2021-06-04 16:59 ` Mark Yacoub
@ 2021-06-04 17:03 ` Mark Yacoub
-1 siblings, 0 replies; 10+ messages in thread
From: Mark Yacoub @ 2021-06-04 17:03 UTC (permalink / raw)
To: amd-gfx list, Maling list - DRI developers
Cc: Deucher, Alexander, Siqueira, Rodrigo, Sean Paul, Mark Yacoub
[-- Attachment #1: Type: text/plain, Size: 4772 bytes --]
Ignore this patch, in favor of (
https://patchwork.freedesktop.org/series/91023/), which appends the commit
title with drm/amd/display.
On Fri, Jun 4, 2021 at 12:59 PM Mark Yacoub <markyacoub@chromium.org> wrote:
> From: Mark Yacoub <markyacoub@google.com>
>
> For each CRTC state, check the size of Gamma and Degamma LUTs so
> unexpected and larger sizes wouldn't slip through.
>
> TEST: IGT:kms_color::pipe-invalid-gamma-lut-sizes
>
> Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
> ---
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ++
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 1 +
> .../amd/display/amdgpu_dm/amdgpu_dm_color.c | 40 ++++++++++++++++---
> 3 files changed, 38 insertions(+), 6 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 38d497d30dba8..f6cd522b42a80 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -9402,6 +9402,9 @@ static int amdgpu_dm_atomic_check(struct drm_device
> *dev,
> dm_old_crtc_state->dsc_force_changed == false)
> continue;
>
> + if ((ret = amdgpu_dm_verify_lut_sizes(new_crtc_state)))
> + goto fail;
> +
> if (!new_crtc_state->enable)
> continue;
>
> 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 8bfe901cf2374..1b77cd2612691 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> @@ -541,6 +541,7 @@ void amdgpu_dm_trigger_timing_sync(struct drm_device
> *dev);
> #define MAX_COLOR_LEGACY_LUT_ENTRIES 256
>
> void amdgpu_dm_init_color_mod(void);
> +int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
> int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
> int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
> 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 157fe4efbb599..da6f9fcc0b415 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
> @@ -284,6 +284,37 @@ static int __set_input_tf(struct dc_transfer_func
> *func,
> return res ? 0 : -ENOMEM;
> }
>
> +/**
> + * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state|
> are of
> + * the expected size.
> + * Returns 0 on success.
> + */
> +int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
> +{
> + const struct drm_color_lut *lut = NULL;
> + uint32_t size = 0;
> +
> + lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
> + if (lut && size != MAX_COLOR_LUT_ENTRIES) {
> + DRM_DEBUG_DRIVER(
> + "Invalid Degamma LUT size. Should be %u but got
> %u.\n",
> + MAX_COLOR_LUT_ENTRIES, size);
> + return -EINVAL;
> + }
> +
> + lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
> + if (lut && size != MAX_COLOR_LUT_ENTRIES &&
> + size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
> + DRM_DEBUG_DRIVER(
> + "Invalid Gamma LUT size. Should be %u (or %u for
> legacy) but got %u.\n",
> + MAX_COLOR_LUT_ENTRIES,
> MAX_COLOR_LEGACY_LUT_ENTRIES,
> + size);
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> /**
> * amdgpu_dm_update_crtc_color_mgmt: Maps DRM color management to DC
> stream.
> * @crtc: amdgpu_dm crtc state
> @@ -317,14 +348,11 @@ int amdgpu_dm_update_crtc_color_mgmt(struct
> dm_crtc_state *crtc)
> bool is_legacy;
> int r;
>
> - degamma_lut = __extract_blob_lut(crtc->base.degamma_lut,
> °amma_size);
> - if (degamma_lut && degamma_size != MAX_COLOR_LUT_ENTRIES)
> - return -EINVAL;
> + if ((r = amdgpu_dm_verify_lut_sizes(&crtc->base)))
> + return r;
>
> + degamma_lut = __extract_blob_lut(crtc->base.degamma_lut,
> °amma_size);
> regamma_lut = __extract_blob_lut(crtc->base.gamma_lut,
> ®amma_size);
> - if (regamma_lut && regamma_size != MAX_COLOR_LUT_ENTRIES &&
> - regamma_size != MAX_COLOR_LEGACY_LUT_ENTRIES)
> - return -EINVAL;
>
> has_degamma =
> degamma_lut && !__is_lut_linear(degamma_lut, degamma_size);
> --
> 2.32.0.rc1.229.g3e70b5a671-goog
>
>
[-- Attachment #2: Type: text/html, Size: 5979 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
@ 2021-06-04 17:03 ` Mark Yacoub
0 siblings, 0 replies; 10+ messages in thread
From: Mark Yacoub @ 2021-06-04 17:03 UTC (permalink / raw)
To: amd-gfx list, Maling list - DRI developers
Cc: Deucher, Alexander, Siqueira, Rodrigo, Sean Paul, Mark Yacoub
[-- Attachment #1.1: Type: text/plain, Size: 4772 bytes --]
Ignore this patch, in favor of (
https://patchwork.freedesktop.org/series/91023/), which appends the commit
title with drm/amd/display.
On Fri, Jun 4, 2021 at 12:59 PM Mark Yacoub <markyacoub@chromium.org> wrote:
> From: Mark Yacoub <markyacoub@google.com>
>
> For each CRTC state, check the size of Gamma and Degamma LUTs so
> unexpected and larger sizes wouldn't slip through.
>
> TEST: IGT:kms_color::pipe-invalid-gamma-lut-sizes
>
> Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
> ---
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ++
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 1 +
> .../amd/display/amdgpu_dm/amdgpu_dm_color.c | 40 ++++++++++++++++---
> 3 files changed, 38 insertions(+), 6 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 38d497d30dba8..f6cd522b42a80 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -9402,6 +9402,9 @@ static int amdgpu_dm_atomic_check(struct drm_device
> *dev,
> dm_old_crtc_state->dsc_force_changed == false)
> continue;
>
> + if ((ret = amdgpu_dm_verify_lut_sizes(new_crtc_state)))
> + goto fail;
> +
> if (!new_crtc_state->enable)
> continue;
>
> 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 8bfe901cf2374..1b77cd2612691 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> @@ -541,6 +541,7 @@ void amdgpu_dm_trigger_timing_sync(struct drm_device
> *dev);
> #define MAX_COLOR_LEGACY_LUT_ENTRIES 256
>
> void amdgpu_dm_init_color_mod(void);
> +int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
> int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
> int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
> 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 157fe4efbb599..da6f9fcc0b415 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
> @@ -284,6 +284,37 @@ static int __set_input_tf(struct dc_transfer_func
> *func,
> return res ? 0 : -ENOMEM;
> }
>
> +/**
> + * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state|
> are of
> + * the expected size.
> + * Returns 0 on success.
> + */
> +int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
> +{
> + const struct drm_color_lut *lut = NULL;
> + uint32_t size = 0;
> +
> + lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
> + if (lut && size != MAX_COLOR_LUT_ENTRIES) {
> + DRM_DEBUG_DRIVER(
> + "Invalid Degamma LUT size. Should be %u but got
> %u.\n",
> + MAX_COLOR_LUT_ENTRIES, size);
> + return -EINVAL;
> + }
> +
> + lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
> + if (lut && size != MAX_COLOR_LUT_ENTRIES &&
> + size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
> + DRM_DEBUG_DRIVER(
> + "Invalid Gamma LUT size. Should be %u (or %u for
> legacy) but got %u.\n",
> + MAX_COLOR_LUT_ENTRIES,
> MAX_COLOR_LEGACY_LUT_ENTRIES,
> + size);
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> /**
> * amdgpu_dm_update_crtc_color_mgmt: Maps DRM color management to DC
> stream.
> * @crtc: amdgpu_dm crtc state
> @@ -317,14 +348,11 @@ int amdgpu_dm_update_crtc_color_mgmt(struct
> dm_crtc_state *crtc)
> bool is_legacy;
> int r;
>
> - degamma_lut = __extract_blob_lut(crtc->base.degamma_lut,
> °amma_size);
> - if (degamma_lut && degamma_size != MAX_COLOR_LUT_ENTRIES)
> - return -EINVAL;
> + if ((r = amdgpu_dm_verify_lut_sizes(&crtc->base)))
> + return r;
>
> + degamma_lut = __extract_blob_lut(crtc->base.degamma_lut,
> °amma_size);
> regamma_lut = __extract_blob_lut(crtc->base.gamma_lut,
> ®amma_size);
> - if (regamma_lut && regamma_size != MAX_COLOR_LUT_ENTRIES &&
> - regamma_size != MAX_COLOR_LEGACY_LUT_ENTRIES)
> - return -EINVAL;
>
> has_degamma =
> degamma_lut && !__is_lut_linear(degamma_lut, degamma_size);
> --
> 2.32.0.rc1.229.g3e70b5a671-goog
>
>
[-- Attachment #1.2: Type: text/html, Size: 5979 bytes --]
[-- Attachment #2: Type: text/plain, Size: 154 bytes --]
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
2021-06-04 16:59 ` Mark Yacoub
(?)
@ 2021-06-04 23:58 ` kernel test robot
-1 siblings, 0 replies; 10+ messages in thread
From: kernel test robot @ 2021-06-04 23:58 UTC (permalink / raw)
To: Mark Yacoub, amd-gfx, dri-devel
Cc: alexander.deucher, rodrigo.siqueira, kbuild-all, seanpaul, Mark Yacoub
[-- Attachment #1: Type: text/plain, Size: 3023 bytes --]
Hi Mark,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on linus/master v5.13-rc4 next-20210604]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/69d2510b404de1ebb3ee54e37daff71f1df02a29
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
git checkout 69d2510b404de1ebb3ee54e37daff71f1df02a29
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:288: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
vim +288 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c
286
287 /**
> 288 * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
289 * the expected size.
290 * Returns 0 on success.
291 */
292 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
293 {
294 const struct drm_color_lut *lut = NULL;
295 uint32_t size = 0;
296
297 lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
298 if (lut && size != MAX_COLOR_LUT_ENTRIES) {
299 DRM_DEBUG_DRIVER(
300 "Invalid Degamma LUT size. Should be %u but got %u.\n",
301 MAX_COLOR_LUT_ENTRIES, size);
302 return -EINVAL;
303 }
304
305 lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
306 if (lut && size != MAX_COLOR_LUT_ENTRIES &&
307 size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
308 DRM_DEBUG_DRIVER(
309 "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
310 MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
311 size);
312 return -EINVAL;
313 }
314
315 return 0;
316 }
317
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 68172 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
@ 2021-06-04 23:58 ` kernel test robot
0 siblings, 0 replies; 10+ messages in thread
From: kernel test robot @ 2021-06-04 23:58 UTC (permalink / raw)
To: Mark Yacoub, amd-gfx, dri-devel
Cc: alexander.deucher, rodrigo.siqueira, kbuild-all, seanpaul, Mark Yacoub
[-- Attachment #1: Type: text/plain, Size: 3023 bytes --]
Hi Mark,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on linus/master v5.13-rc4 next-20210604]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/69d2510b404de1ebb3ee54e37daff71f1df02a29
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
git checkout 69d2510b404de1ebb3ee54e37daff71f1df02a29
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:288: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
vim +288 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c
286
287 /**
> 288 * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
289 * the expected size.
290 * Returns 0 on success.
291 */
292 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
293 {
294 const struct drm_color_lut *lut = NULL;
295 uint32_t size = 0;
296
297 lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
298 if (lut && size != MAX_COLOR_LUT_ENTRIES) {
299 DRM_DEBUG_DRIVER(
300 "Invalid Degamma LUT size. Should be %u but got %u.\n",
301 MAX_COLOR_LUT_ENTRIES, size);
302 return -EINVAL;
303 }
304
305 lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
306 if (lut && size != MAX_COLOR_LUT_ENTRIES &&
307 size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
308 DRM_DEBUG_DRIVER(
309 "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
310 MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
311 size);
312 return -EINVAL;
313 }
314
315 return 0;
316 }
317
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 68172 bytes --]
[-- Attachment #3: Type: text/plain, Size: 154 bytes --]
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
@ 2021-06-04 23:58 ` kernel test robot
0 siblings, 0 replies; 10+ messages in thread
From: kernel test robot @ 2021-06-04 23:58 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3096 bytes --]
Hi Mark,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on linus/master v5.13-rc4 next-20210604]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/69d2510b404de1ebb3ee54e37daff71f1df02a29
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
git checkout 69d2510b404de1ebb3ee54e37daff71f1df02a29
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:288: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
vim +288 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c
286
287 /**
> 288 * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
289 * the expected size.
290 * Returns 0 on success.
291 */
292 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
293 {
294 const struct drm_color_lut *lut = NULL;
295 uint32_t size = 0;
296
297 lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
298 if (lut && size != MAX_COLOR_LUT_ENTRIES) {
299 DRM_DEBUG_DRIVER(
300 "Invalid Degamma LUT size. Should be %u but got %u.\n",
301 MAX_COLOR_LUT_ENTRIES, size);
302 return -EINVAL;
303 }
304
305 lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
306 if (lut && size != MAX_COLOR_LUT_ENTRIES &&
307 size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
308 DRM_DEBUG_DRIVER(
309 "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
310 MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
311 size);
312 return -EINVAL;
313 }
314
315 return 0;
316 }
317
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 68172 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
2021-06-04 16:59 ` Mark Yacoub
(?)
@ 2021-06-05 3:28 ` kernel test robot
-1 siblings, 0 replies; 10+ messages in thread
From: kernel test robot @ 2021-06-05 3:28 UTC (permalink / raw)
To: Mark Yacoub, amd-gfx, dri-devel
Cc: kbuild-all, Mark Yacoub, rodrigo.siqueira, clang-built-linux,
seanpaul, alexander.deucher
[-- Attachment #1: Type: text/plain, Size: 3226 bytes --]
Hi Mark,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on linus/master v5.13-rc4 next-20210604]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: x86_64-randconfig-a014-20210604 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5c0d1b2f902aa6a9cf47cc7e42c5b83bb2217cf9)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/69d2510b404de1ebb3ee54e37daff71f1df02a29
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
git checkout 69d2510b404de1ebb3ee54e37daff71f1df02a29
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:288: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
vim +288 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c
286
287 /**
> 288 * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
289 * the expected size.
290 * Returns 0 on success.
291 */
292 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
293 {
294 const struct drm_color_lut *lut = NULL;
295 uint32_t size = 0;
296
297 lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
298 if (lut && size != MAX_COLOR_LUT_ENTRIES) {
299 DRM_DEBUG_DRIVER(
300 "Invalid Degamma LUT size. Should be %u but got %u.\n",
301 MAX_COLOR_LUT_ENTRIES, size);
302 return -EINVAL;
303 }
304
305 lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
306 if (lut && size != MAX_COLOR_LUT_ENTRIES &&
307 size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
308 DRM_DEBUG_DRIVER(
309 "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
310 MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
311 size);
312 return -EINVAL;
313 }
314
315 return 0;
316 }
317
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 35839 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
@ 2021-06-05 3:28 ` kernel test robot
0 siblings, 0 replies; 10+ messages in thread
From: kernel test robot @ 2021-06-05 3:28 UTC (permalink / raw)
To: Mark Yacoub, amd-gfx, dri-devel
Cc: kbuild-all, Mark Yacoub, rodrigo.siqueira, clang-built-linux,
seanpaul, alexander.deucher
[-- Attachment #1: Type: text/plain, Size: 3226 bytes --]
Hi Mark,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on linus/master v5.13-rc4 next-20210604]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: x86_64-randconfig-a014-20210604 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5c0d1b2f902aa6a9cf47cc7e42c5b83bb2217cf9)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/69d2510b404de1ebb3ee54e37daff71f1df02a29
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
git checkout 69d2510b404de1ebb3ee54e37daff71f1df02a29
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:288: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
vim +288 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c
286
287 /**
> 288 * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
289 * the expected size.
290 * Returns 0 on success.
291 */
292 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
293 {
294 const struct drm_color_lut *lut = NULL;
295 uint32_t size = 0;
296
297 lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
298 if (lut && size != MAX_COLOR_LUT_ENTRIES) {
299 DRM_DEBUG_DRIVER(
300 "Invalid Degamma LUT size. Should be %u but got %u.\n",
301 MAX_COLOR_LUT_ENTRIES, size);
302 return -EINVAL;
303 }
304
305 lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
306 if (lut && size != MAX_COLOR_LUT_ENTRIES &&
307 size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
308 DRM_DEBUG_DRIVER(
309 "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
310 MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
311 size);
312 return -EINVAL;
313 }
314
315 return 0;
316 }
317
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 35839 bytes --]
[-- Attachment #3: Type: text/plain, Size: 154 bytes --]
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check
@ 2021-06-05 3:28 ` kernel test robot
0 siblings, 0 replies; 10+ messages in thread
From: kernel test robot @ 2021-06-05 3:28 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3301 bytes --]
Hi Mark,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on linus/master v5.13-rc4 next-20210604]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: x86_64-randconfig-a014-20210604 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5c0d1b2f902aa6a9cf47cc7e42c5b83bb2217cf9)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/69d2510b404de1ebb3ee54e37daff71f1df02a29
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mark-Yacoub/Verify-Gamma-Degamma-LUT-sizes-in-amdgpu_dm_atomic_check/20210605-010052
git checkout 69d2510b404de1ebb3ee54e37daff71f1df02a29
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:288: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
vim +288 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c
286
287 /**
> 288 * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of
289 * the expected size.
290 * Returns 0 on success.
291 */
292 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state)
293 {
294 const struct drm_color_lut *lut = NULL;
295 uint32_t size = 0;
296
297 lut = __extract_blob_lut(crtc_state->degamma_lut, &size);
298 if (lut && size != MAX_COLOR_LUT_ENTRIES) {
299 DRM_DEBUG_DRIVER(
300 "Invalid Degamma LUT size. Should be %u but got %u.\n",
301 MAX_COLOR_LUT_ENTRIES, size);
302 return -EINVAL;
303 }
304
305 lut = __extract_blob_lut(crtc_state->gamma_lut, &size);
306 if (lut && size != MAX_COLOR_LUT_ENTRIES &&
307 size != MAX_COLOR_LEGACY_LUT_ENTRIES) {
308 DRM_DEBUG_DRIVER(
309 "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n",
310 MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES,
311 size);
312 return -EINVAL;
313 }
314
315 return 0;
316 }
317
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
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2021-06-04 16:59 [PATCH] Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check Mark Yacoub
2021-06-04 16:59 ` Mark Yacoub
2021-06-04 17:03 ` Mark Yacoub
2021-06-04 17:03 ` Mark Yacoub
2021-06-04 23:58 ` kernel test robot
2021-06-04 23:58 ` kernel test robot
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2021-06-05 3:28 ` kernel test robot
2021-06-05 3:28 ` kernel test robot
2021-06-05 3:28 ` kernel test robot
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