6.12-stable review patch. If anyone has any objections, please let me know.
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From: Karol Wachowski karol.wachowski@intel.com
commit 88bdd1644ca28d48591b2a1e6e8b8c2b13f4bd3f upstream.
Apply Hardware Architecture Specification compatible delays for main island power delivery for 50xx and above.
Signed-off-by: Karol Wachowski karol.wachowski@intel.com Signed-off-by: Maciej Falkowski maciej.falkowski@linux.intel.com Reviewed-by: Jeffrey Hugo quic_jhugo@quicinc.com Link: https://patchwork.freedesktop.org/patch/msgid/20241004162505.1695605-3-macie... Signed-off-by: Jacek Lawrynowicz jacek.lawrynowicz@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/accel/ivpu/ivpu_hw_40xx_reg.h | 2 + drivers/accel/ivpu/ivpu_hw_ip.c | 49 ++++++++++++++++++++++------------ 2 files changed, 34 insertions(+), 17 deletions(-)
--- a/drivers/accel/ivpu/ivpu_hw_40xx_reg.h +++ b/drivers/accel/ivpu/ivpu_hw_40xx_reg.h @@ -115,6 +115,8 @@
#define VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY 0x00030068u #define VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY_POST_DLY_MASK GENMASK(7, 0) +#define VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY_POST1_DLY_MASK GENMASK(15, 8) +#define VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY_POST2_DLY_MASK GENMASK(23, 16)
#define VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY 0x0003006cu #define VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY_STATUS_DLY_MASK GENMASK(7, 0) --- a/drivers/accel/ivpu/ivpu_hw_ip.c +++ b/drivers/accel/ivpu/ivpu_hw_ip.c @@ -8,15 +8,12 @@ #include "ivpu_hw.h" #include "ivpu_hw_37xx_reg.h" #include "ivpu_hw_40xx_reg.h" +#include "ivpu_hw_btrs.h" #include "ivpu_hw_ip.h" #include "ivpu_hw_reg_io.h" #include "ivpu_mmu.h" #include "ivpu_pm.h"
-#define PWR_ISLAND_EN_POST_DLY_FREQ_DEFAULT 0 -#define PWR_ISLAND_EN_POST_DLY_FREQ_HIGH 18 -#define PWR_ISLAND_STATUS_DLY_FREQ_DEFAULT 3 -#define PWR_ISLAND_STATUS_DLY_FREQ_HIGH 46 #define PWR_ISLAND_STATUS_TIMEOUT_US (5 * USEC_PER_MSEC)
#define TIM_SAFE_ENABLE 0xf1d0dead @@ -268,20 +265,15 @@ void ivpu_hw_ip_idle_gen_disable(struct idle_gen_drive_40xx(vdev, false); }
-static void pwr_island_delay_set_50xx(struct ivpu_device *vdev) +static void +pwr_island_delay_set_50xx(struct ivpu_device *vdev, u32 post, u32 post1, u32 post2, u32 status) { - u32 val, post, status; - - if (vdev->hw->pll.profiling_freq == PLL_PROFILING_FREQ_DEFAULT) { - post = PWR_ISLAND_EN_POST_DLY_FREQ_DEFAULT; - status = PWR_ISLAND_STATUS_DLY_FREQ_DEFAULT; - } else { - post = PWR_ISLAND_EN_POST_DLY_FREQ_HIGH; - status = PWR_ISLAND_STATUS_DLY_FREQ_HIGH; - } + u32 val;
val = REGV_RD32(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY); val = REG_SET_FLD_NUM(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY, POST_DLY, post, val); + val = REG_SET_FLD_NUM(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY, POST1_DLY, post1, val); + val = REG_SET_FLD_NUM(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY, POST2_DLY, post2, val); REGV_WR32(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY, val);
val = REGV_RD32(VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY); @@ -686,13 +678,36 @@ static void dpu_active_drive_37xx(struct REGV_WR32(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, val); }
+static void pwr_island_delay_set(struct ivpu_device *vdev) +{ + bool high = vdev->hw->pll.profiling_freq == PLL_PROFILING_FREQ_HIGH; + u32 post, post1, post2, status; + + if (ivpu_hw_ip_gen(vdev) < IVPU_HW_IP_50XX) + return; + + switch (ivpu_device_id(vdev)) { + case PCI_DEVICE_ID_PTL_P: + post = high ? 18 : 0; + post1 = 0; + post2 = 0; + status = high ? 46 : 3; + break; + + default: + dump_stack(); + ivpu_err(vdev, "Unknown device ID\n"); + return; + } + + pwr_island_delay_set_50xx(vdev, post, post1, post2, status); +} + int ivpu_hw_ip_pwr_domain_enable(struct ivpu_device *vdev) { int ret;
- if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_50XX) - pwr_island_delay_set_50xx(vdev); - + pwr_island_delay_set(vdev); pwr_island_enable(vdev);
ret = wait_for_pwr_island_status(vdev, 0x1);