drm/radeon/si: add dpm quirk for Oland

[ Upstream commit 0f424de1fd9bc4ab24bd1fe5430ab5618e803e31 ]

OLAND 0x1002:0x6604 0x1028:0x066F 0x00 seems to have problems
with higher sclks.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 13ba73f..56109b5 100644 (file)
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3029,6 +3029,12 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
                        max_sclk = 75000;
                        max_mclk = 80000;
                }
+       } else if (rdev->family == CHIP_OLAND) {
+               if ((rdev->pdev->device == 0x6604) &&
+                   (rdev->pdev->subsystem_vendor == 0x1028) &&
+                   (rdev->pdev->subsystem_device == 0x066F)) {
+                       max_sclk = 75000;
+               }
        }
        /* Apply dpm quirks */
        while (p && p->chip_device != 0) {