This is a note to let you know that I've just added the patch titled
drm/amdgpu: fix firmware info version checks
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-fix-firmware-info-version-checks.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a8a04c994d41a489eb0f2899893209e04e030153 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Wed, 27 Jul 2016 15:31:59 -0400
Subject: drm/amdgpu: fix firmware info version checks
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit a8a04c994d41a489eb0f2899893209e04e030153 upstream.
Some of the checks didn't handle frev 2 tables properly.
amdgpu doesn't support any tables pre-frev 2, so drop
the checks.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 25 ++++++++-----------------
1 file changed, 8 insertions(+), 17 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -551,28 +551,19 @@ int amdgpu_atombios_get_clock_info(struc
le16_to_cpu(firmware_info->info.usReferenceClock);
ppll->reference_div = 0;
- if (crev < 2)
- ppll->pll_out_min =
- le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
- else
- ppll->pll_out_min =
- le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
+ ppll->pll_out_min =
+ le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
ppll->pll_out_max =
le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
- if (crev >= 4) {
- ppll->lcd_pll_out_min =
- le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
- if (ppll->lcd_pll_out_min == 0)
- ppll->lcd_pll_out_min = ppll->pll_out_min;
- ppll->lcd_pll_out_max =
- le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
- if (ppll->lcd_pll_out_max == 0)
- ppll->lcd_pll_out_max = ppll->pll_out_max;
- } else {
+ ppll->lcd_pll_out_min =
+ le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
+ if (ppll->lcd_pll_out_min == 0)
ppll->lcd_pll_out_min = ppll->pll_out_min;
+ ppll->lcd_pll_out_max =
+ le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
+ if (ppll->lcd_pll_out_max == 0)
ppll->lcd_pll_out_max = ppll->pll_out_max;
- }
if (ppll->pll_out_min == 0)
ppll->pll_out_min = 64800;
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-4.7/drm-amdgpu-support-backlight-control-for-uniphy3.patch
queue-4.7/drm-amdgpu-fix-firmware-info-version-checks.patch
queue-4.7/drm-radeon-add-a-delay-after-atpx-dgpu-power-off.patch
queue-4.7/drm-amdgpu-add-a-delay-after-atpx-dgpu-power-off.patch
queue-4.7/drm-amdgpu-poll-for-both-connect-disconnect-on-analog-connectors.patch
queue-4.7/drm-radeon-support-backlight-control-for-uniphy3.patch
queue-4.7/drm-radeon-poll-for-both-connect-disconnect-on-analog-connectors.patch
queue-4.7/drm-radeon-fix-firmware-info-version-checks.patch
queue-4.7/drm-amdgpu-gmc7-add-missing-mullins-case.patch
queue-4.7/drm-amdgpu-disable-rpm-helpers-while-reprobing-connectors-on-resume.patch
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