[AMD Official Use Only - Internal Distribution Only] Reviewed-by: Emily.Deng <Emily.Deng@xxxxxxx> >-----Original Message----- >From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of >pengzhou >Sent: Thursday, December 24, 2020 2:05 PM >To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx >Subject: [PATCH] drm/amdgpu: reduce the full access time by about 50ms > >The function msleep(1) can be delay to 10+ ms sometimes, which contributes >a big delay during the full access time. > >Changing msleep(1) to usleep_range(10, 100) and it can reduce about 50ms >delay during full access time. > >Signed-off-by: pengzhou <PengJu.Zhou@xxxxxxx> >Change-Id: I151a07c55068d5c429553ef0e6668f024c0c0f3d >--- > drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c >b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c >index 523d22db094b..ef69051681cf 100644 >--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c >+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c >@@ -282,7 +282,7 @@ psp_cmd_submit_buf(struct psp_context *psp, > ras_intr = amdgpu_ras_intr_triggered(); > if (ras_intr) > break; >-msleep(1); >+usleep_range(10, 100); > amdgpu_asic_invalidate_hdp(psp->adev, NULL); > } > >-- >2.17.1 > >_______________________________________________ >amd-gfx mailing list >amd-gfx@xxxxxxxxxxxxxxxxxxxxx >https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.f >reedesktop.org%2Fmailman%2Flistinfo%2Famd- >gfx&data=04%7C01%7CEmily.Deng%40amd.com%7C902b8d53955b4eb >aba9c08d8a7d1d6f4%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7 >C637443867305925612%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAw >MDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sda >ta=Nj4thtHNHcIZyVxn1lFOsQSXO0i4cSSWEASpt3RfGtw%3D&reserved=0 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
