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* [PATCH] drm/amdgpu: Verify bo size can fit framebuffer size
@ 2021-03-01 16:59 ` Mark Yacoub
  0 siblings, 0 replies; 6+ messages in thread
From: Mark Yacoub @ 2021-03-01 16:59 UTC (permalink / raw)
  To: amd-gfx, dri-devel; +Cc: alexander.deucher, Mark Yacoub, seanpaul, Mark Yacoub

When creating a new framebuffer, verify that the bo size associated with
it can handle the fb size.
drm_gem_fb_init_with_funcs implements this check by calculating the
minimum expected size of each plane. amdgpu now uses this function to
initialize its fb as it performs the required checks.

The bug was caught using igt-gpu-tools test: kms_addfb_basic.too-high
and kms_addfb_basic.bo-too-small

Suggested-by: Sean Paul <seanpaul@chromium.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Mark Yacoub <markyacoub@google.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 +++++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c      | 3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h    | 1 +
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 48cb33e5b3826..61684d543b8ef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -872,13 +872,14 @@ static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb
 
 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj)
 {
 	int ret, i;
 	rfb->base.obj[0] = obj;
-	drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
-	ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
+	ret = drm_gem_fb_init_with_funcs(dev, &rfb->base, file, mode_cmd,
+					 &amdgpu_fb_funcs);
 	if (ret)
 		goto fail;
 
@@ -953,7 +954,8 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 		return ERR_PTR(-ENOMEM);
 	}
 
-	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, obj);
+	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, file_priv,
+					      mode_cmd, obj);
 	if (ret) {
 		kfree(amdgpu_fb);
 		drm_gem_object_put(obj);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 0bf7d36c6686d..2b9c9a621c437 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -233,7 +233,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 	}
 
 	ret = amdgpu_display_framebuffer_init(adev_to_drm(adev), &rfbdev->rfb,
-					      &mode_cmd, gobj);
+					      helper->client.file, &mode_cmd,
+					      gobj);
 	if (ret) {
 		DRM_ERROR("failed to initialize framebuffer %d\n", ret);
 		goto out;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 319cb19e1b99f..997b93674955e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -604,6 +604,7 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,
 
 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj);
 
-- 
2.30.1.766.gb4fecdf3b7-goog

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply related	[flat|nested] 6+ messages in thread
* [PATCH] drm/amdgpu: Verify bo size can fit framebuffer size
@ 2021-03-01 16:59 ` Mark Yacoub
  0 siblings, 0 replies; 6+ messages in thread
From: Mark Yacoub @ 2021-03-01 16:59 UTC (permalink / raw)
  To: amd-gfx, dri-devel; +Cc: alexander.deucher, Mark Yacoub, seanpaul, Mark Yacoub

When creating a new framebuffer, verify that the bo size associated with
it can handle the fb size.
drm_gem_fb_init_with_funcs implements this check by calculating the
minimum expected size of each plane. amdgpu now uses this function to
initialize its fb as it performs the required checks.

The bug was caught using igt-gpu-tools test: kms_addfb_basic.too-high
and kms_addfb_basic.bo-too-small

Suggested-by: Sean Paul <seanpaul@chromium.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Mark Yacoub <markyacoub@google.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 +++++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c      | 3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h    | 1 +
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 48cb33e5b3826..61684d543b8ef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -872,13 +872,14 @@ static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb
 
 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj)
 {
 	int ret, i;
 	rfb->base.obj[0] = obj;
-	drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
-	ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
+	ret = drm_gem_fb_init_with_funcs(dev, &rfb->base, file, mode_cmd,
+					 &amdgpu_fb_funcs);
 	if (ret)
 		goto fail;
 
@@ -953,7 +954,8 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 		return ERR_PTR(-ENOMEM);
 	}
 
-	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, obj);
+	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, file_priv,
+					      mode_cmd, obj);
 	if (ret) {
 		kfree(amdgpu_fb);
 		drm_gem_object_put(obj);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 0bf7d36c6686d..2b9c9a621c437 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -233,7 +233,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 	}
 
 	ret = amdgpu_display_framebuffer_init(adev_to_drm(adev), &rfbdev->rfb,
-					      &mode_cmd, gobj);
+					      helper->client.file, &mode_cmd,
+					      gobj);
 	if (ret) {
 		DRM_ERROR("failed to initialize framebuffer %d\n", ret);
 		goto out;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 319cb19e1b99f..997b93674955e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -604,6 +604,7 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,
 
 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj);
 
-- 
2.30.1.766.gb4fecdf3b7-goog

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply related	[flat|nested] 6+ messages in thread
* Re: [PATCH] drm/amdgpu: Verify bo size can fit framebuffer size
  2021-03-01 16:59 ` Mark Yacoub
@ 2021-03-02 18:20   ` Alex Deucher
  -1 siblings, 0 replies; 6+ messages in thread
From: Alex Deucher @ 2021-03-02 18:20 UTC (permalink / raw)
  To: Mark Yacoub
  Cc: Deucher, Alexander, Sean Paul, Maling list - DRI developers,
	amd-gfx list, Mark Yacoub

On Mon, Mar 1, 2021 at 12:11 PM Mark Yacoub <markyacoub@chromium.org> wrote:
>
> When creating a new framebuffer, verify that the bo size associated with
> it can handle the fb size.
> drm_gem_fb_init_with_funcs implements this check by calculating the
> minimum expected size of each plane. amdgpu now uses this function to
> initialize its fb as it performs the required checks.
>
> The bug was caught using igt-gpu-tools test: kms_addfb_basic.too-high
> and kms_addfb_basic.bo-too-small
>
> Suggested-by: Sean Paul <seanpaul@chromium.org>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: amd-gfx@lists.freedesktop.org
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Mark Yacoub <markyacoub@google.com>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 +++++---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c      | 3 ++-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h    | 1 +
>  3 files changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index 48cb33e5b3826..61684d543b8ef 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -872,13 +872,14 @@ static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb
>
>  int amdgpu_display_framebuffer_init(struct drm_device *dev,
>                                     struct amdgpu_framebuffer *rfb,
> +                                   struct drm_file *file,
>                                     const struct drm_mode_fb_cmd2 *mode_cmd,
>                                     struct drm_gem_object *obj)
>  {
>         int ret, i;
>         rfb->base.obj[0] = obj;
> -       drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
> -       ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
> +       ret = drm_gem_fb_init_with_funcs(dev, &rfb->base, file, mode_cmd,
> +                                        &amdgpu_fb_funcs);
>         if (ret)
>                 goto fail;
>
> @@ -953,7 +954,8 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
>                 return ERR_PTR(-ENOMEM);
>         }
>
> -       ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, obj);
> +       ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, file_priv,
> +                                             mode_cmd, obj);
>         if (ret) {
>                 kfree(amdgpu_fb);
>                 drm_gem_object_put(obj);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> index 0bf7d36c6686d..2b9c9a621c437 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> @@ -233,7 +233,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
>         }
>
>         ret = amdgpu_display_framebuffer_init(adev_to_drm(adev), &rfbdev->rfb,
> -                                             &mode_cmd, gobj);
> +                                             helper->client.file, &mode_cmd,
> +                                             gobj);
>         if (ret) {
>                 DRM_ERROR("failed to initialize framebuffer %d\n", ret);
>                 goto out;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> index 319cb19e1b99f..997b93674955e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> @@ -604,6 +604,7 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,
>
>  int amdgpu_display_framebuffer_init(struct drm_device *dev,
>                                     struct amdgpu_framebuffer *rfb,
> +                                   struct drm_file *file,
>                                     const struct drm_mode_fb_cmd2 *mode_cmd,
>                                     struct drm_gem_object *obj);
>
> --
> 2.30.1.766.gb4fecdf3b7-goog
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [PATCH] drm/amdgpu: Verify bo size can fit framebuffer size
@ 2021-03-02 18:20   ` Alex Deucher
  0 siblings, 0 replies; 6+ messages in thread
From: Alex Deucher @ 2021-03-02 18:20 UTC (permalink / raw)
  To: Mark Yacoub
  Cc: Deucher, Alexander, Sean Paul, Maling list - DRI developers,
	amd-gfx list, Mark Yacoub

On Mon, Mar 1, 2021 at 12:11 PM Mark Yacoub <markyacoub@chromium.org> wrote:
>
> When creating a new framebuffer, verify that the bo size associated with
> it can handle the fb size.
> drm_gem_fb_init_with_funcs implements this check by calculating the
> minimum expected size of each plane. amdgpu now uses this function to
> initialize its fb as it performs the required checks.
>
> The bug was caught using igt-gpu-tools test: kms_addfb_basic.too-high
> and kms_addfb_basic.bo-too-small
>
> Suggested-by: Sean Paul <seanpaul@chromium.org>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: amd-gfx@lists.freedesktop.org
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Mark Yacoub <markyacoub@google.com>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 +++++---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c      | 3 ++-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h    | 1 +
>  3 files changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index 48cb33e5b3826..61684d543b8ef 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -872,13 +872,14 @@ static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb
>
>  int amdgpu_display_framebuffer_init(struct drm_device *dev,
>                                     struct amdgpu_framebuffer *rfb,
> +                                   struct drm_file *file,
>                                     const struct drm_mode_fb_cmd2 *mode_cmd,
>                                     struct drm_gem_object *obj)
>  {
>         int ret, i;
>         rfb->base.obj[0] = obj;
> -       drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
> -       ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
> +       ret = drm_gem_fb_init_with_funcs(dev, &rfb->base, file, mode_cmd,
> +                                        &amdgpu_fb_funcs);
>         if (ret)
>                 goto fail;
>
> @@ -953,7 +954,8 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
>                 return ERR_PTR(-ENOMEM);
>         }
>
> -       ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, obj);
> +       ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, file_priv,
> +                                             mode_cmd, obj);
>         if (ret) {
>                 kfree(amdgpu_fb);
>                 drm_gem_object_put(obj);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> index 0bf7d36c6686d..2b9c9a621c437 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> @@ -233,7 +233,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
>         }
>
>         ret = amdgpu_display_framebuffer_init(adev_to_drm(adev), &rfbdev->rfb,
> -                                             &mode_cmd, gobj);
> +                                             helper->client.file, &mode_cmd,
> +                                             gobj);
>         if (ret) {
>                 DRM_ERROR("failed to initialize framebuffer %d\n", ret);
>                 goto out;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> index 319cb19e1b99f..997b93674955e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> @@ -604,6 +604,7 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,
>
>  int amdgpu_display_framebuffer_init(struct drm_device *dev,
>                                     struct amdgpu_framebuffer *rfb,
> +                                   struct drm_file *file,
>                                     const struct drm_mode_fb_cmd2 *mode_cmd,
>                                     struct drm_gem_object *obj);
>
> --
> 2.30.1.766.gb4fecdf3b7-goog
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 6+ messages in thread
* [PATCH] drm/amdgpu: Verify bo size can fit framebuffer size
@ 2021-02-26 19:48 ` Mark Yacoub
  0 siblings, 0 replies; 6+ messages in thread
From: Mark Yacoub @ 2021-02-26 19:48 UTC (permalink / raw)
  Cc: Alex Deucher, Sean Paul, dri-devel, amd-gfx, Mark Yacoub

When creating a new framebuffer, verify that the bo size associated with
it can handle the fb size.
drm_gem_fb_init_with_funcs implements this check by calculating the
minimum expected size of each plane. amdgpu now uses this function to
initialize its fb as it performs the required checks.

The bug was caught using igt-gpu-tools test: kms_addfb_basic.too-high
and kms_addfb_basic.bo-too-small

Suggested-by: Sean Paul <seanpaul@chromium.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Mark Yacoub <markyacoub@google.com>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 +++++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c      | 3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h    | 1 +
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 48cb33e5b3826..61684d543b8ef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -872,13 +872,14 @@ static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb

 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj)
 {
 	int ret, i;
 	rfb->base.obj[0] = obj;
-	drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
-	ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
+	ret = drm_gem_fb_init_with_funcs(dev, &rfb->base, file, mode_cmd,
+					 &amdgpu_fb_funcs);
 	if (ret)
 		goto fail;

@@ -953,7 +954,8 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 		return ERR_PTR(-ENOMEM);
 	}

-	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, obj);
+	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, file_priv,
+					      mode_cmd, obj);
 	if (ret) {
 		kfree(amdgpu_fb);
 		drm_gem_object_put(obj);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 0bf7d36c6686d..2b9c9a621c437 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -233,7 +233,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 	}

 	ret = amdgpu_display_framebuffer_init(adev_to_drm(adev), &rfbdev->rfb,
-					      &mode_cmd, gobj);
+					      helper->client.file, &mode_cmd,
+					      gobj);
 	if (ret) {
 		DRM_ERROR("failed to initialize framebuffer %d\n", ret);
 		goto out;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 319cb19e1b99f..997b93674955e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -604,6 +604,7 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,

 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj);

--
2.30.1.766.gb4fecdf3b7-goog

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^ permalink raw reply related	[flat|nested] 6+ messages in thread
* [PATCH] drm/amdgpu: Verify bo size can fit framebuffer size
@ 2021-02-26 19:48 ` Mark Yacoub
  0 siblings, 0 replies; 6+ messages in thread
From: Mark Yacoub @ 2021-02-26 19:48 UTC (permalink / raw)
  Cc: Alex Deucher, Sean Paul, dri-devel, amd-gfx, Mark Yacoub

When creating a new framebuffer, verify that the bo size associated with
it can handle the fb size.
drm_gem_fb_init_with_funcs implements this check by calculating the
minimum expected size of each plane. amdgpu now uses this function to
initialize its fb as it performs the required checks.

The bug was caught using igt-gpu-tools test: kms_addfb_basic.too-high
and kms_addfb_basic.bo-too-small

Suggested-by: Sean Paul <seanpaul@chromium.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Mark Yacoub <markyacoub@google.com>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 +++++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c      | 3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h    | 1 +
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 48cb33e5b3826..61684d543b8ef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -872,13 +872,14 @@ static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb

 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj)
 {
 	int ret, i;
 	rfb->base.obj[0] = obj;
-	drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
-	ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
+	ret = drm_gem_fb_init_with_funcs(dev, &rfb->base, file, mode_cmd,
+					 &amdgpu_fb_funcs);
 	if (ret)
 		goto fail;

@@ -953,7 +954,8 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 		return ERR_PTR(-ENOMEM);
 	}

-	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, obj);
+	ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, file_priv,
+					      mode_cmd, obj);
 	if (ret) {
 		kfree(amdgpu_fb);
 		drm_gem_object_put(obj);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 0bf7d36c6686d..2b9c9a621c437 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -233,7 +233,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 	}

 	ret = amdgpu_display_framebuffer_init(adev_to_drm(adev), &rfbdev->rfb,
-					      &mode_cmd, gobj);
+					      helper->client.file, &mode_cmd,
+					      gobj);
 	if (ret) {
 		DRM_ERROR("failed to initialize framebuffer %d\n", ret);
 		goto out;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 319cb19e1b99f..997b93674955e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -604,6 +604,7 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,

 int amdgpu_display_framebuffer_init(struct drm_device *dev,
 				    struct amdgpu_framebuffer *rfb,
+				    struct drm_file *file,
 				    const struct drm_mode_fb_cmd2 *mode_cmd,
 				    struct drm_gem_object *obj);

--
2.30.1.766.gb4fecdf3b7-goog

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^ permalink raw reply related	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-03-02 18:21 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-01 16:59 [PATCH] drm/amdgpu: Verify bo size can fit framebuffer size Mark Yacoub
2021-03-01 16:59 ` Mark Yacoub
2021-03-02 18:20 ` Alex Deucher
2021-03-02 18:20   ` Alex Deucher
  -- strict thread matches above, loose matches on Subject: below --
2021-02-26 19:48 Mark Yacoub
2021-02-26 19:48 ` Mark Yacoub

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