On 08.08.2014 05:44, Marek Olšák wrote:
> From: Marek Olšák <[email protected]>
>
> Tahiti has 12 tile pipes, but P8 pipe config.
>
> It looks like there is no way to get the pipe config except for reading
> GB_TILE_MODE. The TILING_CONFIG ioctl doesn't return more than 8 pipes,
> so we can't use that for Hawaii.
>
> This fixes a regression caused by 9b046474c95f15338d4c748df9b62871bba6f36f
> on Tahiti.
>
> Cc: [email protected]
[...]
> + switch (G_009910_PIPE_CONFIG(mode2d)) {
> + case V_02803C_ADDR_SURF_P2:
> + sscreen->b.tiling_info.num_channels = 2;
> + break;
> + case V_02803C_X_ADDR_SURF_P4_8X16:
> + case V_02803C_X_ADDR_SURF_P4_16X16:
> + case V_02803C_X_ADDR_SURF_P4_16X32:
> + case V_02803C_X_ADDR_SURF_P4_32X32:
> + sscreen->b.tiling_info.num_channels = 4;
> + break;
> + case V_02803C_X_ADDR_SURF_P8_16X16_8X16:
> + case V_02803C_X_ADDR_SURF_P8_16X32_8X16:
> + case V_02803C_X_ADDR_SURF_P8_32X32_8X16:
> + case V_02803C_X_ADDR_SURF_P8_16X32_16X16:
> + case V_02803C_X_ADDR_SURF_P8_32X32_16X16:
> + case V_02803C_X_ADDR_SURF_P8_32X32_16X32:
> + case V_02803C_X_ADDR_SURF_P8_32X64_32X32:
> + sscreen->b.tiling_info.num_channels = 8;
> + break;
> + case V_02803C_X_ADDR_SURF_P16_32X32_8X16:
> + case V_02803C_X_ADDR_SURF_P16_32X32_16X16:
> + sscreen->b.tiling_info.num_channels = 16;
> + break;
> + default:
> + return false;
> + }
Might be nice to print an error message in the default case, so we can
see if it's ever hit. Either way though,
Reviewed-by: Michel Dänzer <[email protected]>
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
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