From d7d0a03fe552c2a173e0817e4bdac0377063810f Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Wed, 4 Mar 2020 17:03:48 +0800
Subject: drm/amdgpu: correct ROM_INDEX/DATA offset for VEGA20
Git-commit: f1c2cd3f8fb959123a9beba18c0e8112dcb2e137
Patch-mainline: v5.6-rc6
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
The ROMC_INDEX/DATA offset was changed to e4/e5 since
from smuio_v11 (vega20/arcturus).
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Tested-by: Candice Li <Candice.Li@amd.com>
Reviewed-by: Candice Li <Candice.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/soc15.c | 25 +++++++++++++++++++++++--
1 file changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 2b488dfb2f21..d8945c31b622 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -89,6 +89,13 @@
#define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK 0x00010000L
#define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK 0x00020000L
#define mmHDP_MEM_POWER_CTRL_BASE_IDX 0
+
+/* for Vega20/arcturus regiter offset change */
+#define mmROM_INDEX_VG20 0x00e4
+#define mmROM_INDEX_VG20_BASE_IDX 0
+#define mmROM_DATA_VG20 0x00e5
+#define mmROM_DATA_VG20_BASE_IDX 0
+
/*
* Indirect registers accessor
*/
@@ -309,6 +316,8 @@ static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
{
u32 *dw_ptr;
u32 i, length_dw;
+ uint32_t rom_index_offset;
+ uint32_t rom_data_offset;
if (bios == NULL)
return false;
@@ -321,11 +330,23 @@ static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
dw_ptr = (u32 *)bios;
length_dw = ALIGN(length_bytes, 4) / 4;
+ switch (adev->asic_type) {
+ case CHIP_VEGA20:
+ case CHIP_ARCTURUS:
+ rom_index_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX_VG20);
+ rom_data_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA_VG20);
+ break;
+ default:
+ rom_index_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX);
+ rom_data_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA);
+ break;
+ }
+
/* set rom index to 0 */
- WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
+ WREG32(rom_index_offset, 0);
/* read out the rom data */
for (i = 0; i < length_dw; i++)
- dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
+ dw_ptr[i] = RREG32(rom_data_offset);
return true;
}
--
2.28.0