drm: sti: sti_hqvdp: undo preparation of a clock source.
Undo preparation of a clock source, if sti_hqvdp_start_xp70 and sti_hqvdp_atomic_check are not successful. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: http://patchwork.freedesktop.org/patch/msgid/7afad3012fb6e40f43a1eb5a64dc6364c38bd052.1498039961.git.arvind.yadav.cs@gmail.com
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@ -958,6 +958,7 @@ static void sti_hqvdp_start_xp70(struct sti_hqvdp *hqvdp)
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}
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if (i == POLL_MAX_ATTEMPT) {
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DRM_ERROR("Could not reset\n");
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clk_disable_unprepare(hqvdp->clk);
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goto out;
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}
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@ -994,6 +995,7 @@ static void sti_hqvdp_start_xp70(struct sti_hqvdp *hqvdp)
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}
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if (i == POLL_MAX_ATTEMPT) {
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DRM_ERROR("Could not boot\n");
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clk_disable_unprepare(hqvdp->clk);
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goto out;
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}
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@ -1081,6 +1083,7 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane,
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&hqvdp->vtg_nb,
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crtc)) {
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DRM_ERROR("Cannot register VTG notifier\n");
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clk_disable_unprepare(hqvdp->clk_pix_main);
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return -EINVAL;
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}
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hqvdp->vtg_registered = true;
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