diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi_vbt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi_vbt.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_vbt.c b/drivers/gpu/drm/i915/intel_dsi_vbt.c index af7d3db1cc34..06a11c35a784 100644 --- a/drivers/gpu/drm/i915/intel_dsi_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_vbt.c @@ -28,9 +28,11 @@ #include <drm/drm_edid.h> #include <drm/i915_drm.h> #include <linux/gpio/consumer.h> +#include <linux/mfd/intel_soc_pmic.h> #include <linux/slab.h> #include <video/mipi_display.h> #include <asm/intel-mid.h> +#include <asm/unaligned.h> #include "i915_drv.h" #include "intel_drv.h" #include "intel_dsi.h" @@ -391,7 +393,25 @@ static const u8 *mipi_exec_spi(struct intel_dsi *intel_dsi, const u8 *data) static const u8 *mipi_exec_pmic(struct intel_dsi *intel_dsi, const u8 *data) { - DRM_DEBUG_KMS("Skipping PMIC element execution\n"); +#ifdef CONFIG_PMIC_OPREGION + u32 value, mask, reg_address; + u16 i2c_address; + int ret; + + /* byte 0 aka PMIC Flag is reserved */ + i2c_address = get_unaligned_le16(data + 1); + reg_address = get_unaligned_le32(data + 3); + value = get_unaligned_le32(data + 7); + mask = get_unaligned_le32(data + 11); + + ret = intel_soc_pmic_exec_mipi_pmic_seq_element(i2c_address, + reg_address, + value, mask); + if (ret) + DRM_ERROR("%s failed, error: %d\n", __func__, ret); +#else + DRM_ERROR("Your hardware requires CONFIG_PMIC_OPREGION and it is not set\n"); +#endif return data + 15; } |