radeonsi: don't update states for the DCC MSAA bug on GFX6-7

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3646>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3646>

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index e3e0ffa64e10ea92ddbb8e296f5fc640f467a0b8..34b903c6fc0d63ad51fed4e1ca25182d10c3d638 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -618,7 +618,7 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
 
                blend->blend_enable_4bit |= 0xfu << (i * 4);
 
-               if (sctx->family <= CHIP_NAVI14)
+               if (sctx->chip_class >= GFX8 && sctx->family <= CHIP_NAVI14)
                        blend->dcc_msaa_corruption_4bit |= 0xfu << (i * 4);
 
                /* This is only important for formats without alpha. */
@@ -631,7 +631,7 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
                        blend->need_src_alpha_4bit |= 0xfu << (i * 4);
        }
 
-       if (sctx->family <= CHIP_NAVI14 && logicop_enable)
+       if (sctx->chip_class >= GFX8 && sctx->family <= CHIP_NAVI14 && logicop_enable)
                blend->dcc_msaa_corruption_4bit |= blend->cb_target_enabled_4bit;
 
        if (blend->cb_target_mask) {