From: luo penghao <luo.penghao@xxxxxxxxxx> The existence of offset is meaningless, so it should be deleted. The clang_analyzer complains as follows: Value stored to 'offset' is never read Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: luo penghao <luo.penghao@xxxxxxxxxx> --- drivers/gpu/drm/i915/display/i9xx_plane.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c index b1439ba..a478b7f 100644 --- a/drivers/gpu/drm/i915/display/i9xx_plane.c +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c @@ -964,7 +964,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc, struct intel_plane *plane = to_intel_plane(crtc->base.primary); enum i9xx_plane_id i9xx_plane = plane->i9xx_plane; enum pipe pipe; - u32 val, base, offset; + u32 val, base; int fourcc, pixel_format; unsigned int aligned_height; struct drm_framebuffer *fb; @@ -1006,14 +1006,14 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc, fb->format = drm_format_info(fourcc); if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { - offset = intel_de_read(dev_priv, DSPOFFSET(i9xx_plane)); + intel_de_read(dev_priv, DSPOFFSET(i9xx_plane)); base = intel_de_read(dev_priv, DSPSURF(i9xx_plane)) & 0xfffff000; } else if (DISPLAY_VER(dev_priv) >= 4) { if (plane_config->tiling) - offset = intel_de_read(dev_priv, + intel_de_read(dev_priv, DSPTILEOFF(i9xx_plane)); else - offset = intel_de_read(dev_priv, + intel_de_read(dev_priv, DSPLINOFF(i9xx_plane)); base = intel_de_read(dev_priv, DSPSURF(i9xx_plane)) & 0xfffff000; } else { -- 2.15.2