radv: add RADV_NUM_PHYSICAL_VGPRS constant

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_shader.c

@@ -633,7 +633,9 @@ generate_shader_stats(struct radv_device *device,
 			     radv_get_num_physical_sgprs(device->physical_device) / conf->num_sgprs);
 
 	if (conf->num_vgprs)
-		max_simd_waves = MIN2(max_simd_waves, 256 / conf->num_vgprs);
+		max_simd_waves =
+			MIN2(max_simd_waves,
+			     RADV_NUM_PHYSICAL_VGPRS / conf->num_vgprs);
 
 	/* LDS is 64KB per CU (4 SIMDs), divided into 16KB blocks per SIMD
 	 * that PS can use.
@@ -712,7 +714,7 @@ radv_GetShaderInfoAMD(VkDevice _device,
 
 			VkShaderStatisticsInfoAMD statistics = {};
 			statistics.shaderStageMask = shaderStage;
-			statistics.numPhysicalVgprs = 256;
+			statistics.numPhysicalVgprs = RADV_NUM_PHYSICAL_VGPRS;
 			statistics.numPhysicalSgprs = radv_get_num_physical_sgprs(device->physical_device);
 			statistics.numAvailableSgprs = statistics.numPhysicalSgprs;
 

src/amd/vulkan/radv_shader.h

@@ -46,6 +46,8 @@
 // Match MAX_SETS from radv_descriptor_set.h
 #define RADV_UD_MAX_SETS MAX_SETS
 
+#define RADV_NUM_PHYSICAL_VGPRS 256
+
 struct radv_shader_module {
 	struct nir_shader *nir;
 	unsigned char sha1[20];