[PATCH 1/2] drm/amdgpu: attempt to enable gfxoff on more raven1 boards (v2)

[Alex Deucher]

Switch to a blacklist so we can disable specific boards
that are problematic.

v2: make the blacklist non-raven specific.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 44 ++++++++++++++++++++++++---
 1 file changed, 40 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 33e851ad4943..67ea6a9e13d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1162,18 +1162,54 @@ static void gfx_v9_0_check_fw_write_wait(struct amdgpu_device *adev)
 	}
 }
 
+struct amdgpu_gfxoff_quirk {
+	u16 chip_vendor;
+	u16 chip_device;
+	u16 subsys_vendor;
+	u16 subsys_device;
+	u8 revision;
+};
+
+static const struct amdgpu_gfxoff_quirk amdgpu_gfxoff_quirk_list[] = {
+	/* https://bugzilla.kernel.org/show_bug.cgi?id=204689 */
+	{ 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc8 },
+	{ 0, 0, 0, 0, 0 },
+};
+
+static bool gfx_v9_0_should_disable_gfxoff(struct pci_dev *pdev)
+{
+	const struct amdgpu_gfxoff_quirk *p = amdgpu_gfxoff_quirk_list;
+
+	while (p && p->chip_device != 0) {
+		if (pdev->vendor == p->chip_vendor &&
+		    pdev->device == p->chip_device &&
+		    pdev->subsystem_vendor == p->subsys_vendor &&
+		    pdev->subsystem_device == p->subsys_device &&
+		    pdev->revision == p->revision) {
+			return true;
+		}
+		++p;
+	}
+	return false;
+}
+
 static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev)
 {
+	if (gfx_v9_0_should_disable_gfxoff(adev->pdev))
+		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
+
 	switch (adev->asic_type) {
 	case CHIP_VEGA10:
 	case CHIP_VEGA12:
 	case CHIP_VEGA20:
 		break;
 	case CHIP_RAVEN:
-		if (!(adev->rev_id >= 0x8 ||
-		      adev->pdev->device == 0x15d8) &&
-		    (adev->pm.fw_version < 0x41e2b || /* not raven1 fresh */
-		     !adev->gfx.rlc.is_rlc_v2_1)) /* without rlc save restore ucodes */
+		if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8) &&
+		    ((adev->gfx.rlc_fw_version != 106 &&
+		      adev->gfx.rlc_fw_version < 531) ||
+		     (adev->gfx.rlc_fw_version == 53815) ||
+		     (adev->gfx.rlc_feature_version < 1) ||
+		     !adev->gfx.rlc.is_rlc_v2_1))
 			adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
 
 		if (adev->pm.pp_feature & PP_GFXOFF_MASK)
-- 
2.24.1