Reviewed-by: Kevin Wang <[email protected]> ________________________________ From: amd-gfx <[email protected]> on behalf of Evan Quan <[email protected]> Sent: Thursday, November 14, 2019 5:07 PM To: [email protected] <[email protected]> Cc: Quan, Evan <[email protected]> Subject: [PATCH] drm/amd/powerplay: correct fine grained dpm force level setting
For fine grained dpm, there is only two levels supported. However to reflect correctly the current clock frequency, there is an intermediate level faked. Thus on forcing level setting, we need to treat level 2 correctly as level 1. Change-Id: I32f936636f27eb8d8d9002bedd701f2bb0d3060a Signed-off-by: Evan Quan <[email protected]> --- drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index c4f84627cfd9..0bbe3412d9b5 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -823,6 +823,12 @@ static int navi10_force_clk_levels(struct smu_context *smu, case SMU_UCLK: case SMU_DCEFCLK: case SMU_FCLK: + /* There is only 2 levels for fine grained DPM */ + if (navi10_is_support_fine_grained_dpm(smu, clk_type)) { + soft_max_level = (soft_max_level >= 1 ? 1 : 0); + soft_min_level = (soft_min_level >= 1 ? 1 : 0); + } + ret = smu_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq); if (ret) return size; -- 2.24.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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