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drm/stm: ltdc: restore calls to clk_{enable/disable}

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Restore calls to clk_{enable/disable} deleted after applying the wrong
version of the patch

Fixes: fd6905fca4 ("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
This commit is contained in:
Benjamin Gaignard 2019-05-27 13:58:30 +02:00
parent fd86575fe5
commit cf57fdc8e4
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/stm/ltdc.c
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@ -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;