On Thu 29 Jun 2017, Jason Ekstrand wrote:
> From: Ben Widawsky <b...@bwidawsk.net>
>
> v2: Rename modifier to be more smart (Jason)
>
> FINISHME: Use the kernel's final choice for the fb modifier
>
> bwidawsk@norris2:~/intel-gfx/kmscube (modifiers $)
> ~/scripts/measure_bandwidth.sh ./kmscube none
> Read bandwidth: 603.91 MiB/s
> Write bandwidth: 615.28 MiB/s
> bwidawsk@norris2:~/intel-gfx/kmscube (modifiers $)
> ~/scripts/measure_bandwidth.sh ./kmscube ytile
> Read bandwidth: 571.13 MiB/s
> Write bandwidth: 555.51 MiB/s
> bwidawsk@norris2:~/intel-gfx/kmscube (modifiers $)
> ~/scripts/measure_bandwidth.sh ./kmscube ccs
> Read bandwidth: 259.34 MiB/s
> Write bandwidth: 337.83 MiB/s
>
> v2: Move all references to the new fourcc code(s) to this patch.
> v3: Rebase, remove Yf_CCS (Daniel)
>
> Cc: Jason Ekstrand <ja...@jlekstrand.net>
> Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
> Acked-by: Daniel Stone <dani...@collabora.com>
> ---
> src/mesa/drivers/dri/i965/intel_screen.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/intel_screen.c
> b/src/mesa/drivers/dri/i965/intel_screen.c
> index 323cd5a..1729f6a 100644
> --- a/src/mesa/drivers/dri/i965/intel_screen.c
> +++ b/src/mesa/drivers/dri/i965/intel_screen.c
> @@ -51,6 +51,10 @@
> #define DRM_FORMAT_MOD_LINEAR 0
> #endif
>
> +#ifndef I915_FORMAT_MOD_Y_TILED_CCS
> +#define I915_FORMAT_MOD_Y_TILED_CCS fourcc_mod_code(INTEL, 4)
> +#endif
Due to this #define, the two instances in this patch of
/* I915_FORMAT_MOD_Y_TILED_CCS */ fourcc_mod_code(INTEL, 4)
can get cleaned up. With that, this is
Reviewed-by: Chad Versace <chadvers...@chromium.org>
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