zink: remove thread_queue

I had originally intended to hook this up properly with synchronization et al,
but I didn't do it, and now it's seeming less smart anyway, so let's
remove the footgun

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17066>

src/gallium/drivers/zink/zink_batch.c

@@ -239,7 +239,6 @@ create_batch_state(struct zink_context *ctx)
       goto fail;
 
    util_queue_fence_init(&bs->flush_completed);
-   bs->queue = screen->threaded ? screen->thread_queue : screen->queue;
 
    return bs;
 fail:
@@ -414,7 +413,7 @@ submit_queue(void *data, void *gdata, int thread_index)
    }
 
    simple_mtx_lock(&screen->queue_lock);
-   if (VKSCR(QueueSubmit)(bs->queue, num_si, num_si == 2 ? si : &si[1], VK_NULL_HANDLE) != VK_SUCCESS) {
+   if (VKSCR(QueueSubmit)(screen->queue, num_si, num_si == 2 ? si : &si[1], VK_NULL_HANDLE) != VK_SUCCESS) {
       mesa_loge("ZINK: vkQueueSubmit failed");
       bs->is_device_lost = true;
    }

src/gallium/drivers/zink/zink_batch.h

@@ -102,7 +102,6 @@ struct zink_batch_state {
    struct util_dynarray wait_semaphores; //external wait semaphores
    struct util_dynarray wait_semaphore_stages; //external wait semaphores
 
-   VkQueue queue; //duplicated from batch for threading
    VkSemaphore present;
    struct zink_resource *swapchain;
    struct util_dynarray acquires;

src/gallium/drivers/zink/zink_bo.c

@@ -737,9 +737,7 @@ buffer_commit_single(struct zink_screen *screen, struct zink_resource *res, stru
    sparse_bind[0].pBinds = &mem_bind;
    sparse_bind[1].pBinds = &mem_bind;
 
-   VkQueue queue = screen->threaded ? screen->thread_queue : screen->queue;
-
-   VkResult ret = VKSCR(QueueBindSparse)(queue, 1, &sparse, VK_NULL_HANDLE);
+   VkResult ret = VKSCR(QueueBindSparse)(screen->queue, 1, &sparse, VK_NULL_HANDLE);
    return zink_screen_handle_vkresult(screen, ret);
 }
 
@@ -866,9 +864,7 @@ texture_commit_single(struct zink_screen *screen, struct zink_resource *res, VkS
    sparse_ibind.pBinds = ibind;
    sparse.pImageBinds = &sparse_ibind;
 
-   VkQueue queue = screen->threaded ? screen->thread_queue : screen->queue;
-
-   VkResult ret = VKSCR(QueueBindSparse)(queue, 1, &sparse, VK_NULL_HANDLE);
+   VkResult ret = VKSCR(QueueBindSparse)(screen->queue, 1, &sparse, VK_NULL_HANDLE);
    return zink_screen_handle_vkresult(screen, ret);
 }
 
@@ -892,9 +888,7 @@ texture_commit_miptail(struct zink_screen *screen, struct zink_resource *res, st
    mem_bind.flags = 0;
    sparse_bind.pBinds = &mem_bind;
 
-   VkQueue queue = screen->threaded ? screen->thread_queue : screen->queue;
-
-   VkResult ret = VKSCR(QueueBindSparse)(queue, 1, &sparse, VK_NULL_HANDLE);
+   VkResult ret = VKSCR(QueueBindSparse)(screen->queue, 1, &sparse, VK_NULL_HANDLE);
    return zink_screen_handle_vkresult(screen, ret);
 }
 

src/gallium/drivers/zink/zink_context.c

@@ -96,7 +96,7 @@ zink_context_destroy(struct pipe_context *pctx)
 
    if (util_queue_is_initialized(&screen->flush_queue))
       util_queue_finish(&screen->flush_queue);
-   if (ctx->batch.state && !screen->device_lost && VKSCR(QueueWaitIdle)(ctx->batch.state->queue) != VK_SUCCESS)
+   if (ctx->batch.state && !screen->device_lost && VKSCR(QueueWaitIdle)(screen->queue) != VK_SUCCESS)
       mesa_loge("ZINK: vkQueueWaitIdle failed");
 
    if (ctx->blitter)

src/gallium/drivers/zink/zink_kopper.c

@@ -640,7 +640,7 @@ kopper_present(void *data, void *gdata, int thread_idx)
       cpi->info.pWaitSemaphores = NULL;
       cpi->info.waitSemaphoreCount = 0;
    }
-   VkResult error2 = VKSCR(QueuePresentKHR)(screen->thread_queue, &cpi->info);
+   VkResult error2 = VKSCR(QueuePresentKHR)(screen->queue, &cpi->info);
    simple_mtx_unlock(&screen->queue_lock);
    swapchain->last_present = cpi->image;
    if (cpi->indefinite_acquire)
@@ -784,7 +784,7 @@ zink_kopper_present_readback(struct zink_context *ctx, struct zink_resource *res
    si.waitSemaphoreCount = !!acquire;
    si.pWaitSemaphores = &acquire;
    si.pSignalSemaphores = &present;
-   VkResult error = VKSCR(QueueSubmit)(screen->thread_queue, 1, &si, VK_NULL_HANDLE);
+   VkResult error = VKSCR(QueueSubmit)(screen->queue, 1, &si, VK_NULL_HANDLE);
    if (!zink_screen_handle_vkresult(screen, error))
       return false;
 

src/gallium/drivers/zink/zink_screen.c

@@ -1387,10 +1387,6 @@ init_queue(struct zink_screen *screen)
 {
    simple_mtx_init(&screen->queue_lock, mtx_plain);
    VKSCR(GetDeviceQueue)(screen->dev, screen->gfx_queue, 0, &screen->queue);
-   if (screen->threaded && screen->max_queues > 1)
-      VKSCR(GetDeviceQueue)(screen->dev, screen->gfx_queue, 1, &screen->thread_queue);
-   else
-      screen->thread_queue = screen->queue;
 }
 
 static void

src/gallium/drivers/zink/zink_screen.h

@@ -160,7 +160,6 @@ struct zink_screen {
    uint32_t timestamp_valid_bits;
    VkDevice dev;
    VkQueue queue; //gfx+compute
-   VkQueue thread_queue; //gfx+compute
    simple_mtx_t queue_lock;
    VkDebugUtilsMessengerEXT debugUtilsCallbackHandle;