r600g: add dirty tracking to context reg.

just makes the code more consistent.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c
index 63258d65c2458a26d11c1b71231b1cc714018ee9..403dc241b5417dda9d95c2366d7f50a529202ade 100644 (file)
--- a/src/gallium/winsys/r600/drm/r600_hw_context.c
+++ b/src/gallium/winsys/r600/drm/r600_hw_context.c
@@ -845,18 +845,23 @@ void r600_context_reg(struct r600_context *ctx,
        struct r600_range *range;
        struct r600_block *block;
        unsigned id;
+       unsigned new_val;
+       int dirty;
 
        range = &ctx->range[CTX_RANGE_ID(ctx, offset)];
        block = range->blocks[CTX_BLOCK_ID(ctx, offset)];
        id = (offset - block->start_offset) >> 2;
-       block->reg[id] &= ~mask;
-       block->reg[id] |= value;
-       if (!(block->status & R600_BLOCK_STATUS_DIRTY)) {
-               ctx->pm4_dirty_cdwords += block->pm4_ndwords;
-               block->status |= R600_BLOCK_STATUS_ENABLED;
-               block->status |= R600_BLOCK_STATUS_DIRTY;
-               LIST_ADDTAIL(&block->list,&ctx->dirty);
+
+       dirty = block->status & R600_BLOCK_STATUS_DIRTY;
+
+       new_val = block->reg[id];
+       new_val &= ~mask;
+       new_val |= value;
+       if (new_val != block->reg[id]) {
+               dirty |= R600_BLOCK_STATUS_DIRTY;
+               block->reg[id] = new_val;
        }
+       r600_context_dirty_block(ctx, block, dirty, id);
 }
 
 void r600_context_dirty_block(struct r600_context *ctx, struct r600_block *block,