Commit 58aa7790 authored Feb 26, 2021 by Alex Deucher

drm/amdgpu: enable TMZ by default on Raven asics



This has been stable for a while.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 7c9631af

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -163,7 +163,7 @@ int amdgpu_discovery = -1;
		int amdgpu_mes;
		int amdgpu_noretry = -1;
		int amdgpu_force_asic_type = -1;
		int amdgpu_tmz;
		int amdgpu_tmz = -1; /* auto */
		uint amdgpu_freesync_vid_mode;
		int amdgpu_reset_method = -1; /* auto */
		int amdgpu_num_kcq = -1;
		@@ -790,7 +790,7 @@ module_param_named(abmlevel, amdgpu_dm_abm_level, uint, 0444);
		*
		* The default value: 0 (off). TODO: change to auto till it is completed.
		*/
		MODULE_PARM_DESC(tmz, "Enable TMZ feature (-1 = auto, 0 = off (default), 1 = on)");
		MODULE_PARM_DESC(tmz, "Enable TMZ feature (-1 = auto (default), 0 = off, 1 = on)");
		module_param_named(tmz, amdgpu_tmz, int, 0444);

		/**

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -384,6 +384,16 @@ void amdgpu_gmc_tmz_set(struct amdgpu_device *adev)
		{
		switch (adev->asic_type) {
		case CHIP_RAVEN:
		if (amdgpu_tmz == 0) {
		adev->gmc.tmz_enabled = false;
		dev_info(adev->dev,
		"Trusted Memory Zone (TMZ) feature disabled (cmd line)\n");
		} else {
		adev->gmc.tmz_enabled = true;
		dev_info(adev->dev,
		"Trusted Memory Zone (TMZ) feature enabled\n");
		}
		break;
		case CHIP_RENOIR:
		case CHIP_NAVI10:
		case CHIP_NAVI14: