drm/i915: Remove saved_mode from __intel_set_mode()

There's no way that function can fail after it sets crtc->mode anymore,
so there's no need to save the old mode for the failure case.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 62163d4..e47dddf 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12239,7 +12239,6 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc,
 {
        struct drm_device *dev = modeset_crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct drm_display_mode *saved_mode;
        struct drm_atomic_state *state = pipe_config->base.state;
        struct intel_crtc_state *crtc_state_copy = NULL;
        struct intel_crtc *intel_crtc;
@@ -12248,18 +12247,12 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc,
        int ret = 0;
        int i;
 
-       saved_mode = kmalloc(sizeof(*saved_mode), GFP_KERNEL);
-       if (!saved_mode)
-               return -ENOMEM;
-
        crtc_state_copy = kmalloc(sizeof(*crtc_state_copy), GFP_KERNEL);
        if (!crtc_state_copy) {
                ret = -ENOMEM;
                goto done;
        }
 
-       *saved_mode = modeset_crtc->mode;
-
        /*
         * See if the config requires any additional preparation, e.g.
         * to adjust global state with pipes off.  We need to do this
@@ -12346,9 +12339,6 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc,
 
        /* FIXME: add subpixel order */
 done:
-       if (ret && modeset_crtc->state->enable)
-               modeset_crtc->mode = *saved_mode;
-
        if (ret == 0 && pipe_config) {
                struct intel_crtc *intel_crtc = to_intel_crtc(modeset_crtc);
 
@@ -12362,7 +12352,6 @@ done:
                kfree(crtc_state_copy);
        }
 
-       kfree(saved_mode);
        return ret;
 }