[PATCH 1/2] drm/radeon: set correct pipe config for Hawaii in DCE

[Alex Deucher]

On Mon, Dec 23, 2013 at 11:11 AM, Marek Olšák <maraeo at gmail.com> wrote:
> From: Marek Olšák <marek.olsak at amd.com>
>
> Signed-off-by: Marek Olšák <marek.olsak at amd.com>

Series applied to my fixes tree.  Thanks!

Alex

> ---
>  drivers/gpu/drm/radeon/atombios_crtc.c | 19 ++++++-------------
>  1 file changed, 6 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
> index b197059..ec97bad 100644
> --- a/drivers/gpu/drm/radeon/atombios_crtc.c
> +++ b/drivers/gpu/drm/radeon/atombios_crtc.c
> @@ -1180,19 +1180,12 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
>                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
>
>         if (rdev->family >= CHIP_BONAIRE) {
> -               u32 num_pipe_configs = rdev->config.cik.max_tile_pipes;
> -               u32 num_rb = rdev->config.cik.max_backends_per_se;
> -               if (num_pipe_configs > 8)
> -                       num_pipe_configs = 8;
> -               if (num_pipe_configs == 8)
> -                       fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P8_32x32_16x16);
> -               else if (num_pipe_configs == 4) {
> -                       if (num_rb == 4)
> -                               fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_16x16);
> -                       else if (num_rb < 4)
> -                               fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_8x16);
> -               } else if (num_pipe_configs == 2)
> -                       fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P2);
> +               /* Read the pipe config from the 2D TILED SCANOUT mode.
> +                * It should be the same for the other modes too, but not all
> +                * modes set the pipe config field. */
> +               u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f;
> +
> +               fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config);
>         } else if ((rdev->family == CHIP_TAHITI) ||
>                    (rdev->family == CHIP_PITCAIRN))
>                 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
> --
> 1.8.3.2
>
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