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authorBenjamin Gaignard <benjamin.gaignard@linaro.org>2019-05-27 13:58:30 +0200
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>2019-05-28 09:21:34 +0200
commitcf57fdc8e42bd88dae1213a2bbe683d4b6c2190b (patch)
tree0a0df1fd85dd4507c451b4f55d44501b2bcf8093 /drivers/gpu/drm/stm/ltdc.c
parentdrm/damage-helper: Use NULL instead of 0 (diff)
downloadlinux-cf57fdc8e42bd88dae1213a2bbe683d4b6c2190b.tar.xz
linux-cf57fdc8e42bd88dae1213a2bbe683d4b6c2190b.zip
drm/stm: ltdc: restore calls to clk_{enable/disable}
Restore calls to clk_{enable/disable} deleted after applying the wrong version of the patch Fixes: fd6905fca4f0 ("drm/stm: ltdc: remove clk_round_rate comment") Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190527115830.15836-1-benjamin.gaignard@st.com
Diffstat (limited to 'drivers/gpu/drm/stm/ltdc.c')
-rw-r--r--drivers/gpu/drm/stm/ltdc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index ae2aaf2a62ee..ac29890edeb6 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -507,10 +507,12 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc,
struct ltdc_device *ldev = crtc_to_ltdc(crtc);
int rate = mode->clock * 1000;
+ clk_disable(ldev->pixel_clk);
if (clk_set_rate(ldev->pixel_clk, rate) < 0) {
DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate);
return false;
}
+ clk_enable(ldev->pixel_clk);
adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000;