From: Michel Dänzer Date: Thu, 31 Jul 2014 09:43:48 +0000 (+0900) Subject: drm/radeon: s/ioctl_wait_idle/mmio_hpd_flush/ X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=124764f17473479061942429ada2e5e786d5d6ed;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git drm/radeon: s/ioctl_wait_idle/mmio_hpd_flush/ And clean up the function comment a little. Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index c17ff5dc95c2..76e1616a25c8 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -4088,16 +4088,15 @@ int r600_debugfs_mc_info_init(struct radeon_device *rdev) } /** - * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl + * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO * rdev: radeon device structure - * bo: buffer object struct which userspace is waiting for idle * - * Some R6XX/R7XX doesn't seems to take into account HDP flush performed - * through ring buffer, this leads to corruption in rendering, see - * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we - * directly perform HDP flush by writing register through MMIO. + * Some R6XX/R7XX don't seem to take into account HDP flushes performed + * through the ring buffer. This leads to corruption in rendering, see + * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we + * directly perform the HDP flush by writing the register through MMIO. */ -void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo) +void r600_mmio_hdp_flush(struct radeon_device *rdev) { /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL. diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index fd878c7bb8f0..bcc98c1c135e 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1772,13 +1772,8 @@ struct radeon_asic { int (*suspend)(struct radeon_device *rdev); void (*vga_set_state)(struct radeon_device *rdev, bool state); int (*asic_reset)(struct radeon_device *rdev); - /* ioctl hw specific callback. Some hw might want to perform special - * operation on specific ioctl. For instance on wait idle some hw - * might want to perform and HDP flush through MMIO as it seems that - * some R6XX/R7XX hw doesn't take HDP flush into account if programmed - * through ring. - */ - void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo); + /* Flush the HDP cache via MMIO */ + void (*mmio_hdp_flush)(struct radeon_device *rdev); /* check if 3D engine is idle */ bool (*gui_idle)(struct radeon_device *rdev); /* wait for mc_idle */ diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index d321b04b44a0..5781fde5c1ce 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -194,7 +194,7 @@ static struct radeon_asic r100_asic = { .resume = &r100_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &r100_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &r100_mc_wait_for_idle, .gart = { @@ -260,7 +260,7 @@ static struct radeon_asic r200_asic = { .resume = &r100_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &r100_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &r100_mc_wait_for_idle, .gart = { @@ -340,7 +340,7 @@ static struct radeon_asic r300_asic = { .resume = &r300_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &r300_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &r300_mc_wait_for_idle, .gart = { @@ -406,7 +406,7 @@ static struct radeon_asic r300_asic_pcie = { .resume = &r300_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &r300_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &r300_mc_wait_for_idle, .gart = { @@ -472,7 +472,7 @@ static struct radeon_asic r420_asic = { .resume = &r420_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &r300_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &r300_mc_wait_for_idle, .gart = { @@ -538,7 +538,7 @@ static struct radeon_asic rs400_asic = { .resume = &rs400_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &r300_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &rs400_mc_wait_for_idle, .gart = { @@ -604,7 +604,7 @@ static struct radeon_asic rs600_asic = { .resume = &rs600_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &rs600_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &rs600_mc_wait_for_idle, .gart = { @@ -672,7 +672,7 @@ static struct radeon_asic rs690_asic = { .resume = &rs690_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &rs600_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &rs690_mc_wait_for_idle, .gart = { @@ -740,7 +740,7 @@ static struct radeon_asic rv515_asic = { .resume = &rv515_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &rs600_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &rv515_mc_wait_for_idle, .gart = { @@ -806,7 +806,7 @@ static struct radeon_asic r520_asic = { .resume = &r520_resume, .vga_set_state = &r100_vga_set_state, .asic_reset = &rs600_asic_reset, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r100_gui_idle, .mc_wait_for_idle = &r520_mc_wait_for_idle, .gart = { @@ -898,7 +898,7 @@ static struct radeon_asic r600_asic = { .resume = &r600_resume, .vga_set_state = &r600_vga_set_state, .asic_reset = &r600_asic_reset, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &r600_mc_wait_for_idle, .get_xclk = &r600_get_xclk, @@ -970,7 +970,7 @@ static struct radeon_asic rv6xx_asic = { .resume = &r600_resume, .vga_set_state = &r600_vga_set_state, .asic_reset = &r600_asic_reset, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &r600_mc_wait_for_idle, .get_xclk = &r600_get_xclk, @@ -1060,7 +1060,7 @@ static struct radeon_asic rs780_asic = { .resume = &r600_resume, .vga_set_state = &r600_vga_set_state, .asic_reset = &r600_asic_reset, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &r600_mc_wait_for_idle, .get_xclk = &r600_get_xclk, @@ -1163,7 +1163,7 @@ static struct radeon_asic rv770_asic = { .resume = &rv770_resume, .asic_reset = &r600_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &r600_mc_wait_for_idle, .get_xclk = &rv770_get_xclk, @@ -1281,7 +1281,7 @@ static struct radeon_asic evergreen_asic = { .resume = &evergreen_resume, .asic_reset = &evergreen_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &rv770_get_xclk, @@ -1373,7 +1373,7 @@ static struct radeon_asic sumo_asic = { .resume = &evergreen_resume, .asic_reset = &evergreen_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &r600_get_xclk, @@ -1464,7 +1464,7 @@ static struct radeon_asic btc_asic = { .resume = &evergreen_resume, .asic_reset = &evergreen_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &rv770_get_xclk, @@ -1599,7 +1599,7 @@ static struct radeon_asic cayman_asic = { .resume = &cayman_resume, .asic_reset = &cayman_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &rv770_get_xclk, @@ -1699,7 +1699,7 @@ static struct radeon_asic trinity_asic = { .resume = &cayman_resume, .asic_reset = &cayman_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &r600_get_xclk, @@ -1829,7 +1829,7 @@ static struct radeon_asic si_asic = { .resume = &si_resume, .asic_reset = &si_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = r600_ioctl_wait_idle, + .mmio_hdp_flush = r600_mmio_hdp_flush, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &si_get_xclk, @@ -1987,7 +1987,7 @@ static struct radeon_asic ci_asic = { .resume = &cik_resume, .asic_reset = &cik_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &cik_get_xclk, @@ -2091,7 +2091,7 @@ static struct radeon_asic kv_asic = { .resume = &cik_resume, .asic_reset = &cik_asic_reset, .vga_set_state = &r600_vga_set_state, - .ioctl_wait_idle = NULL, + .mmio_hdp_flush = NULL, .gui_idle = &r600_gui_idle, .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &cik_get_xclk, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index f632e31b3554..b8826c655685 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -351,7 +351,7 @@ void r600_hpd_fini(struct radeon_device *rdev); bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd); void r600_hpd_set_polarity(struct radeon_device *rdev, enum radeon_hpd_id hpd); -extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo); +extern void r600_mmio_hdp_flush(struct radeon_device *rdev); extern bool r600_gui_idle(struct radeon_device *rdev); extern void r600_pm_misc(struct radeon_device *rdev); extern void r600_pm_init_profile(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index d1239be0c611..ab9abfa1ba01 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -365,9 +365,9 @@ int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, } robj = gem_to_radeon_bo(gobj); r = radeon_bo_wait(robj, NULL, false); - /* callback hw specific functions if any */ - if (rdev->asic->ioctl_wait_idle) - robj->rdev->asic->ioctl_wait_idle(rdev, robj); + /* Flush HDP cache via MMIO if necessary */ + if (rdev->asic->mmio_hdp_flush) + robj->rdev->asic->mmio_hdp_flush(rdev); drm_gem_object_unreference_unlocked(gobj); r = radeon_gem_handle_lockup(rdev, r); return r;