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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/amdgpu: 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 amdgpu.

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

authored by

decce6 and committed by
Alex Deucher 49fe2c57 908d318f

+5
+5
drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
··· 3464 3464 max_sclk = 60000; 3465 3465 max_mclk = 80000; 3466 3466 } 3467 + if ((adev->pdev->device == 0x666f) && 3468 + (adev->pdev->revision == 0x00)) { 3469 + max_sclk = 80000; 3470 + max_mclk = 95000; 3471 + } 3467 3472 } else if (adev->asic_type == CHIP_OLAND) { 3468 3473 if ((adev->pdev->revision == 0xC7) || 3469 3474 (adev->pdev->revision == 0x80) ||