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| author | Paolo Bonzini <[email protected]> | 2024-11-14 12:06:24 +0000 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2024-11-14 12:06:24 +0000 |
| commit | 0586ade9e7f9491ccbe1e00975978cb9c2093006 (patch) | |
| tree | 3dbb536e37d3e86086bd51dcee4bf81041bac087 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | Merge tag 'kvmarm-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/kv... (diff) | |
| parent | irqchip/loongson-eiointc: Add virt extension support (diff) | |
| download | kernel-0586ade9e7f9491ccbe1e00975978cb9c2093006.tar.gz kernel-0586ade9e7f9491ccbe1e00975978cb9c2093006.zip | |
Merge tag 'loongarch-kvm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.13
1. Add iocsr and mmio bus simulation in kernel.
2. Add in-kernel interrupt controller emulation.
3. Add virt extension support for eiointc irqchip.
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 13421a58210d..07e9ce99694f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9429,6 +9429,7 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state, bool mode_set_reset_required = false; u32 i; struct dc_commit_streams_params params = {dc_state->streams, dc_state->stream_count}; + bool set_backlight_level = false; /* Disable writeback */ for_each_old_connector_in_state(state, connector, old_con_state, i) { @@ -9548,6 +9549,7 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state, acrtc->hw_mode = new_crtc_state->mode; crtc->hwmode = new_crtc_state->mode; mode_set_reset_required = true; + set_backlight_level = true; } else if (modereset_required(new_crtc_state)) { drm_dbg_atomic(dev, "Atomic commit: RESET. crtc id %d:[%p]\n", @@ -9599,6 +9601,19 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state, acrtc->otg_inst = status->primary_otg_inst; } } + + /* During boot up and resume the DC layer will reset the panel brightness + * to fix a flicker issue. + * It will cause the dm->actual_brightness is not the current panel brightness + * level. (the dm->brightness is the correct panel level) + * So we set the backlight level with dm->brightness value after set mode + */ + if (set_backlight_level) { + for (i = 0; i < dm->num_of_edps; i++) { + if (dm->backlight_dev[i]) + amdgpu_dm_backlight_set_level(dm, i, dm->brightness[i]); + } + } } static void dm_set_writeback(struct amdgpu_display_manager *dm, |