[AMD Public Use] Reviewed-by: Hawking Zhang <[email protected]>
Regards, Hawking -----Original Message----- From: Sheng, Wenhui <[email protected]> Sent: Monday, June 29, 2020 14:08 To: [email protected] Cc: Zhang, Hawking <[email protected]>; Sheng, Wenhui <[email protected]> Subject: [PATCH] drm/amdgpu: correct discovery_tmr_size init val From: Wenhui Sheng <[email protected]> The legacy way to initialize discovery_tmr_size is using DISCOVERY_TMR_SIZE, while after we reduce DISCOVERY_TMR_SIZE from 64KB to 4KB, variable discovery_tmr_size is also reduced to 4KB, this is not correct, it still should be 64KB, discovery_tmr_size will be used to calculate ip_discovery reserved mem's start address and size. Using DISCOVERY_TMR_OFFSET to init discovery_tmr_size instead. Signed-off-by: Wenhui Sheng <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 7d51768684dd..56beafbd3ab9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1872,7 +1872,7 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) adev->discovery_tmr_size = amdgpu_atomfirmware_get_fw_reserved_fb_size(adev); if (!adev->discovery_tmr_size) - adev->discovery_tmr_size = DISCOVERY_TMR_SIZE; + adev->discovery_tmr_size = DISCOVERY_TMR_OFFSET; if (mem_train_support) { /* reserve vram for mem train according to TMR location */ -- 2.17.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
