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From: Esaki Tomohito <etom@igel.co.jp>
To: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Cc: "David Airlie" <airlied@linux.ie>,
	nouveau@lists.freedesktop.org,
	"ML dri-devel" <dri-devel@lists.freedesktop.org>,
	"Michel Dänzer" <mdaenzer@redhat.com>,
	"Daniel Stone" <daniel@fooishbar.org>,
	"Lee Jones" <lee.jones@linaro.org>,
	etom@igel.co.jp, "Rob Clark" <robdclark@chromium.org>,
	"Evan Quan" <evan.quan@amd.com>,
	"amd-gfx mailing list" <amd-gfx@lists.freedesktop.org>,
	"Ben Skeggs" <bskeggs@redhat.com>,
	"Petr Mladek" <pmladek@suse.com>,
	"Sakari Ailus" <sakari.ailus@linux.intel.com>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Abhinav Kumar" <abhinavk@codeaurora.org>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Takanari Hayama" <taki@igel.co.jp>,
	"Sean Paul" <seanpaul@chromium.org>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Simon Ser" <contact@emersion.fr>,
	"Qingqing Zhuo" <qingqing.zhuo@amd.com>,
	"Pan, Xinhui" <Xinhui.Pan@amd.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"Mark Yacoub" <markyacoub@chromium.org>,
	"Dmitry Baryshkov" <dmitry.baryshkov@linaro.org>,
	"Damian Hobson-Garcia" <dhobsong@igel.co.jp>,
	"Christian König" <christian.koenig@amd.com>,
	"Laurent Pinchart" <laurent.pinchart@ideasonboard.com>
Subject: Re: [Nouveau] [RFC PATCH v2 2/3] drm: set fb_modifiers_not_supported flag in legacy drivers
Date: Fri, 14 Jan 2022 11:06:47 +0900	[thread overview]
Message-ID: <d8882c4a-df6f-77e4-8a6d-57cf907574b6@igel.co.jp> (raw)
In-Reply-To: <CAP+8YyF60rXVacY3-ZKieYjxRzseb_SGJbNnXaUzUyUUS-n42Q@mail.gmail.com>

Hi,

Thank you for your comment.

On 2022/01/14 2:56, Bas Nieuwenhuizen wrote:
> I think we'll also want to do a conditional disable for DC
> (drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c) since it only
> enables modifiers on newer HW.  Something like "if (modifiers == NULL)
> fb_modifiers_not_supported = true;" in amdgpu_dm_plane_init.

Ok, I'll add a conditional disable in amdgpu_dm_plane_init().

Thanks,
Tomohito Esaki

> On Thu, Jan 13, 2022 at 10:44 AM Tomohito Esaki <etom@igel.co.jp> wrote:
>>
>> Set fb_modifiers_not_supported flag in legacy drivers whose planes
>> support non-linear layouts but does not support modifiers, and replace
>> allow_fb_modifiers with fb_modifiers_not_supported.
>>
>> Signed-off-by: Tomohito Esaki <etom@igel.co.jp>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 6 +++---
>>   drivers/gpu/drm/amd/amdgpu/dce_v10_0.c      | 2 ++
>>   drivers/gpu/drm/amd/amdgpu/dce_v11_0.c      | 2 ++
>>   drivers/gpu/drm/amd/amdgpu/dce_v6_0.c       | 1 +
>>   drivers/gpu/drm/amd/amdgpu/dce_v8_0.c       | 2 ++
>>   drivers/gpu/drm/nouveau/nouveau_display.c   | 6 ++++--
>>   drivers/gpu/drm/radeon/radeon_display.c     | 2 ++
>>   7 files changed, 16 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
>> index dc50c05f23fc..cbaea9c6cfda 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
>> @@ -958,7 +958,7 @@ static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb)
>>          int ret;
>>          unsigned int i, block_width, block_height, block_size_log2;
>>
>> -       if (!rfb->base.dev->mode_config.allow_fb_modifiers)
>> +       if (rfb->base.dev->mode_config.fb_modifiers_not_supported)
>>                  return 0;
>>
>>          for (i = 0; i < format_info->num_planes; ++i) {
>> @@ -1145,7 +1145,7 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev,
>>          if (ret)
>>                  return ret;
>>
>> -       if (!dev->mode_config.allow_fb_modifiers) {
>> +       if (dev->mode_config.fb_modifiers_not_supported) {
>>                  drm_WARN_ONCE(dev, adev->family >= AMDGPU_FAMILY_AI,
>>                                "GFX9+ requires FB check based on format modifier\n");
>>                  ret = check_tiling_flags_gfx6(rfb);
>> @@ -1153,7 +1153,7 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev,
>>                          return ret;
>>          }
>>
>> -       if (dev->mode_config.allow_fb_modifiers &&
>> +       if (!dev->mode_config.fb_modifiers_not_supported &&
>>              !(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) {
>>                  ret = convert_tiling_flags_to_modifier(rfb);
>>                  if (ret) {
>> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
>> index d1570a462a51..fb61c0814115 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
>> @@ -2798,6 +2798,8 @@ static int dce_v10_0_sw_init(void *handle)
>>          adev_to_drm(adev)->mode_config.preferred_depth = 24;
>>          adev_to_drm(adev)->mode_config.prefer_shadow = 1;
>>
>> +       adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
>> +
>>          adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
>>
>>          r = amdgpu_display_modeset_create_props(adev);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
>> index 18a7b3bd633b..17942a11366d 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
>> @@ -2916,6 +2916,8 @@ static int dce_v11_0_sw_init(void *handle)
>>          adev_to_drm(adev)->mode_config.preferred_depth = 24;
>>          adev_to_drm(adev)->mode_config.prefer_shadow = 1;
>>
>> +       adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
>> +
>>          adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
>>
>>          r = amdgpu_display_modeset_create_props(adev);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
>> index c7803dc2b2d5..2ec99ec8e1a3 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
>> @@ -2674,6 +2674,7 @@ static int dce_v6_0_sw_init(void *handle)
>>          adev_to_drm(adev)->mode_config.max_height = 16384;
>>          adev_to_drm(adev)->mode_config.preferred_depth = 24;
>>          adev_to_drm(adev)->mode_config.prefer_shadow = 1;
>> +       adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
>>          adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
>>
>>          r = amdgpu_display_modeset_create_props(adev);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
>> index b200b9e722d9..8369336cec90 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
>> @@ -2699,6 +2699,8 @@ static int dce_v8_0_sw_init(void *handle)
>>          adev_to_drm(adev)->mode_config.preferred_depth = 24;
>>          adev_to_drm(adev)->mode_config.prefer_shadow = 1;
>>
>> +       adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
>> +
>>          adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
>>
>>          r = amdgpu_display_modeset_create_props(adev);
>> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
>> index 929de41c281f..1ecad7fa3e8a 100644
>> --- a/drivers/gpu/drm/nouveau/nouveau_display.c
>> +++ b/drivers/gpu/drm/nouveau/nouveau_display.c
>> @@ -711,10 +711,12 @@ nouveau_display_create(struct drm_device *dev)
>>                                       &disp->disp);
>>                  if (ret == 0) {
>>                          nouveau_display_create_properties(dev);
>> -                       if (disp->disp.object.oclass < NV50_DISP)
>> +                       if (disp->disp.object.oclass < NV50_DISP) {
>> +                               dev->mode_config.fb_modifiers_not_supported = true;
>>                                  ret = nv04_display_create(dev);
>> -                       else
>> +                       } else {
>>                                  ret = nv50_display_create(dev);
>> +                       }
>>                  }
>>          } else {
>>                  ret = 0;
>> diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
>> index 573154268d43..b9a07677a71e 100644
>> --- a/drivers/gpu/drm/radeon/radeon_display.c
>> +++ b/drivers/gpu/drm/radeon/radeon_display.c
>> @@ -1596,6 +1596,8 @@ int radeon_modeset_init(struct radeon_device *rdev)
>>          rdev->ddev->mode_config.preferred_depth = 24;
>>          rdev->ddev->mode_config.prefer_shadow = 1;
>>
>> +       rdev->ddev->mode_config.fb_modifiers_not_supported = true;
>> +
>>          rdev->ddev->mode_config.fb_base = rdev->mc.aper_base;
>>
>>          ret = radeon_modeset_create_props(rdev);
>> --
>> 2.25.1
>>


  reply	other threads:[~2022-01-14 18:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-13  9:44 [Nouveau] [RFC PATCH v2 0/3] Add support modifiers for drivers whose planes only support linear layout Tomohito Esaki
2022-01-13  9:44 ` [Nouveau] [RFC PATCH v2 1/3] drm: add " Tomohito Esaki
2022-01-13  9:44 ` [Nouveau] [RFC PATCH v2 2/3] drm: set fb_modifiers_not_supported flag in legacy drivers Tomohito Esaki
2022-01-13 17:56   ` Bas Nieuwenhuizen
2022-01-14  2:06     ` Esaki Tomohito [this message]
2022-01-13  9:44 ` [Nouveau] [RFC PATCH v2 3/3] drm: replace allow_fb_modifiers with fb_modifiers_not_supported Tomohito Esaki
2022-01-13 13:44 ` [Nouveau] [RFC PATCH v2 0/3] Add support modifiers for drivers whose planes only support linear layout Daniel Stone
2022-01-14  1:46   ` Esaki Tomohito

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