Same as the previous patch, but for pageflipping now. This also lets us clear up the copy paste for vblank/vline IRQs.
Changes since v1: - Preserve the order all registers are written back
Signed-off-by: Lyude lyude@redhat.com --- drivers/gpu/drm/radeon/evergreen.c | 105 ++++++++--------------------------- drivers/gpu/drm/radeon/radeon.h | 7 +-- drivers/gpu/drm/radeon/si.c | 111 +++++++++---------------------------- 3 files changed, 51 insertions(+), 172 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 507a773..44527e6 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4467,17 +4467,8 @@ void evergreen_disable_interrupt_state(struct radeon_device *rdev) WREG32(SRBM_INT_CNTL, 0); for (i = 0; i < rdev->num_crtc; i++) WREG32(INT_MASK + crtc_offsets[i], 0); - - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - if (rdev->num_crtc >= 4) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); - } - if (rdev->num_crtc >= 6) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); - } + for (i = 0; i < rdev->num_crtc; i++) + WREG32(GRPH_INT_CONTROL + crtc_offsets[i], 0);
/* only one DAC on DCE5 */ if (!ASIC_IS_DCE5(rdev)) @@ -4581,22 +4572,8 @@ int evergreen_irq_set(struct radeon_device *rdev) atomic_read(&rdev->irq.pflip[i]), "vblank", i); }
- WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - if (rdev->num_crtc >= 4) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - } - if (rdev->num_crtc >= 6) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - } + for (i = 0; i < rdev->num_crtc; i++) + WREG32(GRPH_INT_CONTROL + crtc_offsets[i], GRPH_PFLIP_INT_MASK);
for (i = 0; i < 6; i++) { radeon_irq_kms_set_irq_n_enabled( @@ -4626,68 +4603,34 @@ int evergreen_irq_set(struct radeon_device *rdev) /* Note that the order we write back regs here is important */ static void evergreen_irq_ack(struct radeon_device *rdev) { - int i; + int i, j; + u32 *grph_int = rdev->irq.stat_regs.evergreen.grph_int; u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int; u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
for (i = 0; i < 6; i++) { disp_int[i] = RREG32(evergreen_disp_int_status[i]); afmt_status[i] = RREG32(AFMT_STATUS + crtc_offsets[i]); + if (i < rdev->num_crtc) + grph_int[i] = RREG32(GRPH_INT_STATUS + crtc_offsets[i]); }
- rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (rdev->num_crtc >= 4) { - rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); - } - if (rdev->num_crtc >= 6) { - rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); - } - - - if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (disp_int[0] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[0], VBLANK_ACK); - if (disp_int[0] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[0], VLINE_ACK); - if (disp_int[1] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[1], VBLANK_ACK); - if (disp_int[1] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[1], VLINE_ACK); - - if (rdev->num_crtc >= 4) { - if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (disp_int[2] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[2], VBLANK_ACK); - if (disp_int[2] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[2], VLINE_ACK); - if (disp_int[3] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[3], VBLANK_ACK); - if (disp_int[3] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[3], VLINE_ACK); - } - - if (rdev->num_crtc >= 6) { - if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (disp_int[4] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[4], VBLANK_ACK); - if (disp_int[4] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[4], VLINE_ACK); - if (disp_int[5] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[5], VBLANK_ACK); - if (disp_int[5] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[5], VLINE_ACK); + /* We write back each interrupt register in pairs of two */ + for (i = 0; i < rdev->num_crtc; i += 2) { + for (j = i; j < (i + 2); j++) { + if (grph_int[j] & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + crtc_offsets[j], + GRPH_PFLIP_INT_CLEAR); + } + + for (j = i; j < (i + 2); j++) { + if (disp_int[j] & LB_D1_VBLANK_INTERRUPT) + WREG32(VBLANK_STATUS + crtc_offsets[j], + VBLANK_ACK); + if (disp_int[j] & LB_D1_VLINE_INTERRUPT) + WREG32(VLINE_STATUS + crtc_offsets[j], + VLINE_ACK); + } }
for (i = 0; i < 6; i++) { diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index e961a8a..edb9686 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -768,12 +768,7 @@ struct r600_irq_stat_regs {
struct evergreen_irq_stat_regs { u32 disp_int[6]; - u32 d1grph_int; - u32 d2grph_int; - u32 d3grph_int; - u32 d4grph_int; - u32 d5grph_int; - u32 d6grph_int; + u32 grph_int[6]; u32 afmt_status[6]; };
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 8351f06..c88a80e 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -5956,19 +5956,8 @@ static void si_disable_interrupt_state(struct radeon_device *rdev) WREG32(SRBM_INT_CNTL, 0); for (i = 0; i < rdev->num_crtc; i++) WREG32(INT_MASK + crtc_offsets[i], 0); - - if (rdev->num_crtc >= 2) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - } - if (rdev->num_crtc >= 4) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); - } - if (rdev->num_crtc >= 6) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); - } + for (i = 0; i < rdev->num_crtc; i++) + WREG32(GRPH_INT_CONTROL + crtc_offsets[i], 0);
if (!ASIC_IS_NODCE(rdev)) { WREG32(DAC_AUTODETECT_INT_CONTROL, 0); @@ -6125,24 +6114,8 @@ int si_irq_set(struct radeon_device *rdev) atomic_read(&rdev->irq.pflip[i]), "vblank", i); }
- if (rdev->num_crtc >= 2) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - } - if (rdev->num_crtc >= 4) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - } - if (rdev->num_crtc >= 6) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, - GRPH_PFLIP_INT_MASK); - } + for (i = 0; i < rdev->num_crtc; i++) + WREG32(GRPH_INT_CONTROL + crtc_offsets[i], GRPH_PFLIP_INT_MASK);
if (!ASIC_IS_NODCE(rdev)) { for (i = 0; i < 6; i++) { @@ -6164,67 +6137,35 @@ int si_irq_set(struct radeon_device *rdev) /* The order we write back each register here is important */ static inline void si_irq_ack(struct radeon_device *rdev) { - int i; + int i, j; u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int; + u32 *grph_int = rdev->irq.stat_regs.evergreen.grph_int;
if (ASIC_IS_NODCE(rdev)) return;
- for (i = 0; i < 6; i++) + for (i = 0; i < 6; i++) { disp_int[i] = RREG32(si_disp_int_status[i]); + if (i < rdev->num_crtc) + grph_int[i] = RREG32(GRPH_INT_STATUS + crtc_offsets[i]); + }
- rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (rdev->num_crtc >= 4) { - rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); - } - if (rdev->num_crtc >= 6) { - rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); - } - - if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (disp_int[0] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[0], VBLANK_ACK); - if (disp_int[0] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[0], VLINE_ACK); - if (disp_int[1] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[1], VBLANK_ACK); - if (disp_int[1] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[1], VLINE_ACK); - - if (rdev->num_crtc >= 4) { - if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (disp_int[2] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[2], VBLANK_ACK); - if (disp_int[2] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[2], VLINE_ACK); - if (disp_int[3] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[3], VBLANK_ACK); - if (disp_int[3] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[3], VLINE_ACK); - } - - if (rdev->num_crtc >= 6) { - if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (disp_int[4] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[4], VBLANK_ACK); - if (disp_int[4] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[4], VLINE_ACK); - if (disp_int[5] & LB_D1_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + crtc_offsets[5], VBLANK_ACK); - if (disp_int[5] & LB_D1_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + crtc_offsets[5], VLINE_ACK); + /* We write back each interrupt register in pairs of two */ + for (i = 0; i < rdev->num_crtc; i += 2) { + for (j = i; j < (i + 2); j++) { + if (grph_int[j] & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + crtc_offsets[j], + GRPH_PFLIP_INT_CLEAR); + } + + for (j = i; j < (i + 2); j++) { + if (disp_int[j] & LB_D1_VBLANK_INTERRUPT) + WREG32(VBLANK_STATUS + crtc_offsets[j], + VBLANK_ACK); + if (disp_int[j] & LB_D1_VLINE_INTERRUPT) + WREG32(VLINE_STATUS + crtc_offsets[j], + VLINE_ACK); + } }
for (i = 0; i < 6; i++) {