Commit ec1975e1 authored by Alex Deucher's avatar Alex Deucher Committed by Luis Henriques

drm/radeon: do a posting read in rs600_set_irq

commit 54acf107 upstream.

To make sure the writes go through the pci bridge.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent d1ba0003
...@@ -684,6 +684,10 @@ int rs600_irq_set(struct radeon_device *rdev) ...@@ -684,6 +684,10 @@ int rs600_irq_set(struct radeon_device *rdev)
WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
if (ASIC_IS_DCE2(rdev)) if (ASIC_IS_DCE2(rdev))
WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
/* posting read */
RREG32(R_000040_GEN_INT_CNTL);
return 0; return 0;
} }
......
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