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Date: Fri, 14 Jan 2022 11:06:47 +0900
From: Esaki Tomohito <etom@...l.co.jp>
To: Bas Nieuwenhuizen <bas@...nieuwenhuizen.nl>
Cc: ML dri-devel <dri-devel@...ts.freedesktop.org>,
Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Ben Skeggs <bskeggs@...hat.com>,
Michel Dänzer <mdaenzer@...hat.com>,
Simon Ser <contact@...rsion.fr>,
Qingqing Zhuo <qingqing.zhuo@....com>,
Mark Yacoub <markyacoub@...omium.org>,
Sean Paul <seanpaul@...omium.org>,
Evan Quan <evan.quan@....com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Petr Mladek <pmladek@...e.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Lee Jones <lee.jones@...aro.org>,
Abhinav Kumar <abhinavk@...eaurora.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Rob Clark <robdclark@...omium.org>,
amd-gfx mailing list <amd-gfx@...ts.freedesktop.org>,
LKML <linux-kernel@...r.kernel.org>,
nouveau@...ts.freedesktop.org, Daniel Stone <daniel@...ishbar.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Damian Hobson-Garcia <dhobsong@...l.co.jp>,
Takanari Hayama <taki@...l.co.jp>, etom@...l.co.jp
Subject: Re: [RFC PATCH v2 2/3] drm: set fb_modifiers_not_supported flag in
legacy drivers
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@...l.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@...l.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
>>
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