From d4a7eac27ec2e6b5fdb64066e967fc7767cd4574 Mon Sep 17 00:00:00 2001 From: Guchun Chen Date: Fri, 18 Feb 2022 13:05:26 +0800 Subject: drm/amdgpu: bypass tiling flag check in virtual display case (v2) vkms leverages common amdgpu framebuffer creation, and also as it does not support FB modifier, there is no need to check tiling flags when initing framebuffer when virtual display is enabled. This can fix below calltrace: amdgpu 0000:00:08.0: GFX9+ requires FB check based on format modifier WARNING: CPU: 0 PID: 1023 at drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:1150 amdgpu_display_framebuffer_init+0x8e7/0xb40 [amdgpu] v2: check adev->enable_virtual_display instead as vkms can be enabled in bare metal as well. Signed-off-by: Leslie Shi Signed-off-by: Guchun Chen Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index ec4c9ef5f795..29b594425ff0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -1148,7 +1148,7 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev, if (ret) return ret; - if (!dev->mode_config.allow_fb_modifiers) { + if (!dev->mode_config.allow_fb_modifiers && !adev->enable_virtual_display) { drm_WARN_ONCE(dev, adev->family >= AMDGPU_FAMILY_AI, "GFX9+ requires FB check based on format modifier\n"); ret = check_tiling_flags_gfx6(rfb); -- cgit From a7f520bfd0551f9fd672b45b9b3cc56ab4275128 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 21 Feb 2022 14:48:42 -0500 Subject: drm/amdgpu: derive GTT display support from DM Rather than duplicating the logic in two places, consolidate the logic in the display manager. Acked-by: Yifan Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 30 +++-------------------------- 1 file changed, 3 insertions(+), 27 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 29b594425ff0..448e9b46417c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -506,33 +506,9 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev, */ if ((bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) && amdgpu_bo_support_uswc(bo_flags) && - amdgpu_device_asic_has_dc_support(adev->asic_type)) { - switch (adev->asic_type) { - case CHIP_CARRIZO: - case CHIP_STONEY: - domain |= AMDGPU_GEM_DOMAIN_GTT; - break; - default: - switch (adev->ip_versions[DCE_HWIP][0]) { - case IP_VERSION(1, 0, 0): - case IP_VERSION(1, 0, 1): - /* enable S/G on PCO and RV2 */ - if ((adev->apu_flags & AMD_APU_IS_RAVEN2) || - (adev->apu_flags & AMD_APU_IS_PICASSO)) - domain |= AMDGPU_GEM_DOMAIN_GTT; - break; - case IP_VERSION(2, 1, 0): - case IP_VERSION(3, 0, 1): - case IP_VERSION(3, 1, 2): - case IP_VERSION(3, 1, 3): - domain |= AMDGPU_GEM_DOMAIN_GTT; - break; - default: - break; - } - break; - } - } + amdgpu_device_asic_has_dc_support(adev->asic_type) && + adev->mode_info.gpu_vm_support) + domain |= AMDGPU_GEM_DOMAIN_GTT; #endif return domain; -- cgit