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Date: Tue, 7 Jul 2020 17:17:37 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Evan Quan <evan.quan@....com>,
Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.4 58/65] drm/amdgpu/atomfirmware: fix vram_info fetching for renoir
From: Alex Deucher <alexander.deucher@....com>
commit d7a6634a4cfba073ff6a526cb4265d6e58ece234 upstream.
Renoir uses integrated_system_info table v12. The table
has the same layout as v11 with respect to this data. Just
reuse the existing code for v12 for stable.
Fixes incorrectly reported vram info in the driver output.
Acked-by: Evan Quan <evan.quan@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -150,6 +150,7 @@ int amdgpu_atomfirmware_get_vram_width(s
(mode_info->atom_context->bios + data_offset);
switch (crev) {
case 11:
+ case 12:
mem_channel_number = igp_info->v11.umachannelnumber;
/* channel width is 64 */
return mem_channel_number * 64;
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