Re: [PATCH] drm/radeon: fix amd afusion gpu setup aka sumo v2

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On Tue, Dec 11, 2012 at 11:56 AM,  <j.glisse@xxxxxxxxx> wrote:
> From: Jerome Glisse <jglisse@xxxxxxxxxx>
>
> Set the proper number of tile pipe that should be a multiple of
> pipe depending on the number of se engine.
>
> Fix:
> https://bugs.freedesktop.org/show_bug.cgi?id=56405
> https://bugs.freedesktop.org/show_bug.cgi?id=56720
>
> v2: Don't change sumo2
>
> Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  drivers/gpu/drm/radeon/evergreen.c  | 8 ++++----
>  drivers/gpu/drm/radeon/evergreend.h | 2 ++
>  2 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
> index 14313ad..b957de1 100644
> --- a/drivers/gpu/drm/radeon/evergreen.c
> +++ b/drivers/gpu/drm/radeon/evergreen.c
> @@ -1819,7 +1819,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
>         case CHIP_SUMO:
>                 rdev->config.evergreen.num_ses = 1;
>                 rdev->config.evergreen.max_pipes = 4;
> -               rdev->config.evergreen.max_tile_pipes = 2;
> +               rdev->config.evergreen.max_tile_pipes = 4;
>                 if (rdev->pdev->device == 0x9648)
>                         rdev->config.evergreen.max_simds = 3;
>                 else if ((rdev->pdev->device == 0x9647) ||
> @@ -1842,7 +1842,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
>                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
>                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
>                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
> -               gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
> +               gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
>                 break;
>         case CHIP_SUMO2:
>                 rdev->config.evergreen.num_ses = 1;
> @@ -1864,7 +1864,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
>                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
>                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
>                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
> -               gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
> +               gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
>                 break;
>         case CHIP_BARTS:
>                 rdev->config.evergreen.num_ses = 2;
> @@ -1912,7 +1912,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
>                 break;
>         case CHIP_CAICOS:
>                 rdev->config.evergreen.num_ses = 1;
> -               rdev->config.evergreen.max_pipes = 4;
> +               rdev->config.evergreen.max_pipes = 2;
>                 rdev->config.evergreen.max_tile_pipes = 2;
>                 rdev->config.evergreen.max_simds = 2;
>                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
> diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
> index df542f1..52c89c9 100644
> --- a/drivers/gpu/drm/radeon/evergreend.h
> +++ b/drivers/gpu/drm/radeon/evergreend.h
> @@ -45,6 +45,8 @@
>  #define TURKS_GB_ADDR_CONFIG_GOLDEN          0x02010002
>  #define CEDAR_GB_ADDR_CONFIG_GOLDEN          0x02010001
>  #define CAICOS_GB_ADDR_CONFIG_GOLDEN         0x02010001
> +#define SUMO_GB_ADDR_CONFIG_GOLDEN           0x02010002
> +#define SUMO2_GB_ADDR_CONFIG_GOLDEN          0x02010002
>
>  /* Registers */
>
> --
> 1.7.11.7
>
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