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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/radeon: Add HAINAN clock adjustment

This patch limits the clock speeds of the AMD Radeon R5 M420 GPU from
850/1000MHz (core/memory) to 800/950 MHz, making it work stably. This
patch is for radeon.

Signed-off-by: decce6 <decce6@proton.me>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

authored by

decce6 and committed by
Alex Deucher 908d318f f38bb9b0

+5
+5
drivers/gpu/drm/radeon/si_dpm.c
··· 2925 2925 max_sclk = 60000; 2926 2926 max_mclk = 80000; 2927 2927 } 2928 + if ((rdev->pdev->device == 0x666f) && 2929 + (rdev->pdev->revision == 0x00)) { 2930 + max_sclk = 80000; 2931 + max_mclk = 95000; 2932 + } 2928 2933 } else if (rdev->family == CHIP_OLAND) { 2929 2934 if ((rdev->pdev->revision == 0xC7) || 2930 2935 (rdev->pdev->revision == 0x80) ||