diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/cik.c | 84 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/cikd.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 2 |
3 files changed, 56 insertions, 31 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 0da9d6715ef..e92a9721ca2 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -60,6 +60,7 @@ extern bool evergreen_is_display_hung(struct radeon_device *rdev); extern void si_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc); extern void si_rlc_fini(struct radeon_device *rdev); extern int si_rlc_init(struct radeon_device *rdev); +extern void si_rlc_reset(struct radeon_device *rdev); static void cik_rlc_stop(struct radeon_device *rdev); static void cik_pcie_gen3_enable(struct radeon_device *rdev); static void cik_program_aspm(struct radeon_device *rdev); @@ -4728,31 +4729,34 @@ void cik_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm * variety of functions, the most important of which is * the interrupt controller. */ -/** - * cik_rlc_stop - stop the RLC ME - * - * @rdev: radeon_device pointer - * - * Halt the RLC ME (MicroEngine) (CIK). - */ -static void cik_rlc_stop(struct radeon_device *rdev) +static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev, + bool enable) { - int i, j, k; - u32 mask, tmp; + u32 tmp = RREG32(CP_INT_CNTL_RING0); - tmp = RREG32(CP_INT_CNTL_RING0); - tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); + if (enable) + tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); + else + tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); WREG32(CP_INT_CNTL_RING0, tmp); +} - RREG32(CB_CGTT_SCLK_CTRL); - RREG32(CB_CGTT_SCLK_CTRL); - RREG32(CB_CGTT_SCLK_CTRL); - RREG32(CB_CGTT_SCLK_CTRL); +static void cik_enable_lbpw(struct radeon_device *rdev, bool enable) +{ + u32 tmp; - tmp = RREG32(RLC_CGCG_CGLS_CTRL) & 0xfffffffc; - WREG32(RLC_CGCG_CGLS_CTRL, tmp); + tmp = RREG32(RLC_LB_CNTL); + if (enable) + tmp |= LOAD_BALANCE_ENABLE; + else + tmp &= ~LOAD_BALANCE_ENABLE; + WREG32(RLC_LB_CNTL, tmp); +} - WREG32(RLC_CNTL, 0); +static void cik_wait_for_rlc_serdes(struct radeon_device *rdev) +{ + u32 i, j, k; + u32 mask; for (i = 0; i < rdev->config.cik.max_shader_engines; i++) { for (j = 0; j < rdev->config.cik.max_sh_per_se; j++) { @@ -4775,6 +4779,32 @@ static void cik_rlc_stop(struct radeon_device *rdev) } /** + * cik_rlc_stop - stop the RLC ME + * + * @rdev: radeon_device pointer + * + * Halt the RLC ME (MicroEngine) (CIK). + */ +static void cik_rlc_stop(struct radeon_device *rdev) +{ + u32 tmp; + + cik_enable_gui_idle_interrupt(rdev, false); + + RREG32(CB_CGTT_SCLK_CTRL); + RREG32(CB_CGTT_SCLK_CTRL); + RREG32(CB_CGTT_SCLK_CTRL); + RREG32(CB_CGTT_SCLK_CTRL); + + tmp = RREG32(RLC_CGCG_CGLS_CTRL) & 0xfffffffc; + WREG32(RLC_CGCG_CGLS_CTRL, tmp); + + WREG32(RLC_CNTL, 0); + + cik_wait_for_rlc_serdes(rdev); +} + +/** * cik_rlc_start - start the RLC ME * * @rdev: radeon_device pointer @@ -4783,13 +4813,9 @@ static void cik_rlc_stop(struct radeon_device *rdev) */ static void cik_rlc_start(struct radeon_device *rdev) { - u32 tmp; - WREG32(RLC_CNTL, RLC_ENABLE); - tmp = RREG32(CP_INT_CNTL_RING0); - tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); - WREG32(CP_INT_CNTL_RING0, tmp); + cik_enable_gui_idle_interrupt(rdev, true); udelay(50); } @@ -4827,12 +4853,7 @@ static int cik_rlc_resume(struct radeon_device *rdev) cik_rlc_stop(rdev); - WREG32(GRBM_SOFT_RESET, SOFT_RESET_RLC); - RREG32(GRBM_SOFT_RESET); - udelay(50); - WREG32(GRBM_SOFT_RESET, 0); - RREG32(GRBM_SOFT_RESET); - udelay(50); + si_rlc_reset(rdev); WREG32(RLC_LB_CNTR_INIT, 0); WREG32(RLC_LB_CNTR_MAX, 0x00008000); @@ -4851,6 +4872,9 @@ static int cik_rlc_resume(struct radeon_device *rdev) WREG32(RLC_GPM_UCODE_DATA, be32_to_cpup(fw_data++)); WREG32(RLC_GPM_UCODE_ADDR, 0); + /* XXX - find out what chips support lbpw */ + cik_enable_lbpw(rdev, false); + /* XXX */ clear_state_info[0] = 0;//upper_32_bits(rdev->rlc.save_restore_gpu_addr); clear_state_info[1] = 0;//rdev->rlc.save_restore_gpu_addr; diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index d50593fd9cd..4742f3db4aa 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -905,6 +905,7 @@ #define RLC_LB_CNTR_MAX 0xC348 #define RLC_LB_CNTL 0xC364 +# define LOAD_BALANCE_ENABLE (1 << 0) #define RLC_LB_CNTR_INIT 0xC36C diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index daa8d2df8ec..610adfc86be 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -5435,7 +5435,7 @@ int si_rlc_init(struct radeon_device *rdev) return 0; } -static void si_rlc_reset(struct radeon_device *rdev) +void si_rlc_reset(struct radeon_device *rdev) { u32 tmp = RREG32(GRBM_SOFT_RESET); |