[PATCH]: radeon: Fix uninitialized variable warning in atombios_crtc_set_pll()

[Prarit Bhargava]

Fixes:

drivers/gpu/drm/radeon/atombios_crtc.c: In function ‘atombios_crtc_set_pll’:
drivers/gpu/drm/radeon/atombios_crtc.c:678: error: ‘pll’ may be used 
uninitialized in this function

Signed-off-by: Prarit Bhargava <pra...@redhat.com>

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c 
b/drivers/gpu/drm/radeon/atombios_crtc.c
index 3feca6a..520deae 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -675,7 +675,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, 
struct drm_display_mode
        union set_pixel_clock args;
        u32 pll_clock = mode->clock;
        u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
-       struct radeon_pll *pll;
+       struct radeon_pll *(uninitialized_var(pll);
        u32 adjusted_clock;
        int encoder_mode = 0;
 

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