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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Mar 2023 17:38:33.3922 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 62ccfafd-3796-41bb-e32f-08db2969ed78 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT078.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB8324 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alex Deucher Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Used to get the size and alignment requirements for the gfx shadow buffer for preemption. v2: use FW version check to determine whether to return a valid size here return an error if not supported (Alex) Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index 1fc1e941f7df..d6aeaf530fe2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -822,6 +822,32 @@ static void gfx_v11_0_select_me_pipe_q(struct amdgpu_device *adev, soc21_grbm_select(adev, me, pipe, q, vm); } +/* all sizes are in bytes */ +#define MQD_SHADOW_BASE_SIZE 73728 +#define MQD_SHADOW_BASE_ALIGNMENT 256 +#define MQD_FWWORKAREA_SIZE 484 +#define MQD_FWWORKAREA_ALIGNMENT 256 + +static int gfx_v11_0_get_gfx_shadow_info(struct amdgpu_device *adev, + struct amdgpu_gfx_shadow_info *shadow_info) +{ + if (shadow_info) { + if (adev->gfx.cp_gfx_shadow) { + shadow_info->shadow_size = MQD_SHADOW_BASE_SIZE; + shadow_info->shadow_alignment = MQD_SHADOW_BASE_ALIGNMENT; + shadow_info->csa_size = MQD_FWWORKAREA_SIZE; + shadow_info->csa_alignment = MQD_FWWORKAREA_ALIGNMENT; + shadow_info->gds_size = 0x1000; + shadow_info->gds_alignment = 256; + return 0; + } else { + memset(shadow_info, 0, sizeof(struct amdgpu_gfx_shadow_info)); + return -ENOTSUPP; + } + } + return -EINVAL; +} + static const struct amdgpu_gfx_funcs gfx_v11_0_gfx_funcs = { .get_gpu_clock_counter = &gfx_v11_0_get_gpu_clock_counter, .select_se_sh = &gfx_v11_0_select_se_sh, @@ -830,6 +856,7 @@ static const struct amdgpu_gfx_funcs gfx_v11_0_gfx_funcs = { .read_wave_vgprs = &gfx_v11_0_read_wave_vgprs, .select_me_pipe_q = &gfx_v11_0_select_me_pipe_q, .update_perfmon_mgcg = &gfx_v11_0_update_perf_clk, + .get_gfx_shadow_info = &gfx_v11_0_get_gfx_shadow_info, }; static int gfx_v11_0_gpu_early_init(struct amdgpu_device *adev) -- 2.39.2