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| author | Yannick Fertre <yannick.fertre@st.com> | 2020-07-01 14:04:02 +0200 |
|---|---|---|
| committer | Benjamin Gaignard <benjamin.gaignard@st.com> | 2020-07-08 11:46:26 +0200 |
| commit | a790ababbe6872a373faf51e77bc640d7e50ace2 (patch) | |
| tree | 257f1101f62388298b4b80b1fc981b1ed5758974 /drivers/gpu/drm/stm | |
| parent | 08fbd8a5fb24e504ffd278208576afdeefc93a2d (diff) | |
| download | linux-a790ababbe6872a373faf51e77bc640d7e50ace2.tar.gz linux-a790ababbe6872a373faf51e77bc640d7e50ace2.tar.bz2 linux-a790ababbe6872a373faf51e77bc640d7e50ace2.zip | |
drm/stm: ltdc: remove call of pm-runtime functions
It is not necessary to suspend or stop the ltdc clocks
to modify the pixel clock.
Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200701120402.6444-1-yannick.fertre@st.com
Diffstat (limited to 'drivers/gpu/drm/stm')
| -rw-r--r-- | drivers/gpu/drm/stm/ltdc.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index f894968d6e45..ef77e1417ba8 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -503,15 +503,7 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *adjusted_mode) { struct ltdc_device *ldev = crtc_to_ltdc(crtc); - struct drm_device *ddev = crtc->dev; int rate = mode->clock * 1000; - bool runtime_active; - int ret; - - runtime_active = pm_runtime_active(ddev->dev); - - if (runtime_active) - pm_runtime_put_sync(ddev->dev); if (clk_set_rate(ldev->pixel_clk, rate) < 0) { DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate); @@ -520,14 +512,6 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000; - if (runtime_active) { - ret = pm_runtime_get_sync(ddev->dev); - if (ret) { - DRM_ERROR("Failed to fixup mode, cannot get sync\n"); - return false; - } - } - DRM_DEBUG_DRIVER("requested clock %dkHz, adjusted clock %dkHz\n", mode->clock, adjusted_mode->clock); |