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path: root/drivers/gpu/drm/radeon/radeon_device.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c28
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 69b3c2291e9..256d204a6d2 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -293,30 +293,20 @@ bool radeon_card_posted(struct radeon_device *rdev)
293void radeon_update_bandwidth_info(struct radeon_device *rdev) 293void radeon_update_bandwidth_info(struct radeon_device *rdev)
294{ 294{
295 fixed20_12 a; 295 fixed20_12 a;
296 u32 sclk, mclk; 296 u32 sclk = rdev->pm.current_sclk;
297 u32 mclk = rdev->pm.current_mclk;
297 298
298 if (rdev->flags & RADEON_IS_IGP) { 299 /* sclk/mclk in Mhz */
299 sclk = radeon_get_engine_clock(rdev); 300 a.full = dfixed_const(100);
300 mclk = rdev->clock.default_mclk; 301 rdev->pm.sclk.full = dfixed_const(sclk);
301 302 rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a);
302 a.full = dfixed_const(100); 303 rdev->pm.mclk.full = dfixed_const(mclk);
303 rdev->pm.sclk.full = dfixed_const(sclk); 304 rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a);
304 rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a);
305 rdev->pm.mclk.full = dfixed_const(mclk);
306 rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a);
307 305
306 if (rdev->flags & RADEON_IS_IGP) {
308 a.full = dfixed_const(16); 307 a.full = dfixed_const(16);
309 /* core_bandwidth = sclk(Mhz) * 16 */ 308 /* core_bandwidth = sclk(Mhz) * 16 */
310 rdev->pm.core_bandwidth.full = dfixed_div(rdev->pm.sclk, a); 309 rdev->pm.core_bandwidth.full = dfixed_div(rdev->pm.sclk, a);
311 } else {
312 sclk = radeon_get_engine_clock(rdev);
313 mclk = radeon_get_memory_clock(rdev);
314
315 a.full = dfixed_const(100);
316 rdev->pm.sclk.full = dfixed_const(sclk);
317 rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a);
318 rdev->pm.mclk.full = dfixed_const(mclk);
319 rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a);
320 } 310 }
321} 311}
322 312