On Mon, Oct 12, 2020 at 12:25:09PM +0200, Paul Cercueil wrote:
> Fix a badly reverted commit. The revert commit was cherry-picked from
> drm-misc-next to drm-misc-next-fixes, and in the process some unrelated
> code was added.
>
> Fixes: a3fb64c00d44 "Revert "gpu/drm: ingenic: Add option to mmap GEM buffers cached""
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
And yes if you use git cherry-pick it'll do a 3 way merge, and
occasionally it's very tricky to resolve that properly. Especially when
you're not used to it.
What I tend to do to double check cerry-picks is git show both commits,
and compare the entire diff line-by-line to make sure I didn't misplace
anything.
Another trick is to use the raw patch instead of cherry-pick, since that
won't do a 3 way merge where you might get confused with other context and
fun stuff like that.
Cheers, Daniel
> ---
> drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 16 ----------------
> 1 file changed, 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> index 1be1235bd546..a3d1617d7c67 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> @@ -440,20 +440,6 @@ void ingenic_drm_plane_config(struct device *dev,
> }
> }
>
> -static void ingenic_drm_update_palette(struct ingenic_drm *priv,
> - const struct drm_color_lut *lut)
> -{
> - unsigned int i;
> -
> - for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
> - u16 color = drm_color_lut_extract(lut[i].red, 5) << 11
> - | drm_color_lut_extract(lut[i].green, 6) << 5
> - | drm_color_lut_extract(lut[i].blue, 5);
> -
> - priv->dma_hwdescs->palette[i] = color;
> - }
> -}
> -
> static void ingenic_drm_plane_atomic_update(struct drm_plane *plane,
> struct drm_plane_state *oldstate)
> {
> @@ -464,8 +450,6 @@ static void ingenic_drm_plane_atomic_update(struct drm_plane *plane,
> dma_addr_t addr;
>
> if (state && state->fb) {
> - crtc_state = state->crtc->state;
> -
> addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
> width = state->src_w >> 16;
> height = state->src_h >> 16;
> --
> 2.28.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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