From 979f47a04d72d10fceebc1f2c92848f39ae566e8 Mon Sep 17 00:00:00 2001
From: norablackcat <blackcatgames@protonmail.com>
Date: Sat, 17 Jun 2023 14:52:21 -0600
Subject: [PATCH] r600/pipe: add PIPE_CAP_TIMER_RESOLUTION
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Reviewed by Marek Olšák

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23703>
---
 src/gallium/drivers/r600/r600_pipe.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 02bc47d01d0..d327a5ddd61 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -496,6 +496,10 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_QUERY_TIMESTAMP:
 		return rscreen->b.info.clock_crystal_freq != 0;
 
+	case PIPE_CAP_TIMER_RESOLUTION:
+		/* Conversion to nanos from cycles per millisecond */
+		return DIV_ROUND_UP(1000000, rscreen->b.info.clock_crystal_freq);
+
 	case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 	case PIPE_CAP_MIN_TEXEL_OFFSET:
 		return -8;