From 34386043d90489898240a2211545f5c46c3b7c3b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 28 Sep 2016 14:15:24 -0400 Subject: [PATCH] drm/amdgpu/dce6: simplify hpd code MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Use an address offset like other dce code. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 235 +++++--------------------- 1 file changed, 45 insertions(+), 190 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index e6a7687dec21..0bf262d7a31b 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -46,6 +46,16 @@ static const u32 crtc_offsets[6] = SI_CRTC5_REGISTER_OFFSET }; +static const u32 hpd_offsets[] = +{ + DC_HPD1_INT_STATUS - DC_HPD1_INT_STATUS, + DC_HPD2_INT_STATUS - DC_HPD1_INT_STATUS, + DC_HPD3_INT_STATUS - DC_HPD1_INT_STATUS, + DC_HPD4_INT_STATUS - DC_HPD1_INT_STATUS, + DC_HPD5_INT_STATUS - DC_HPD1_INT_STATUS, + DC_HPD6_INT_STATUS - DC_HPD1_INT_STATUS, +}; + static const uint32_t dig_offsets[] = { SI_CRTC0_REGISTER_OFFSET, SI_CRTC1_REGISTER_OFFSET, @@ -94,15 +104,6 @@ static const struct { .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK } }; -static const uint32_t hpd_int_control_offsets[6] = { - DC_HPD1_INT_CONTROL, - DC_HPD2_INT_CONTROL, - DC_HPD3_INT_CONTROL, - DC_HPD4_INT_CONTROL, - DC_HPD5_INT_CONTROL, - DC_HPD6_INT_CONTROL, -}; - static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev, u32 block_offset, u32 reg) { @@ -257,34 +258,11 @@ static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev, { bool connected = false; - switch (hpd) { - case AMDGPU_HPD_1: - if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) - connected = true; - break; - case AMDGPU_HPD_2: - if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) - connected = true; - break; - case AMDGPU_HPD_3: - if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) - connected = true; - break; - case AMDGPU_HPD_4: - if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) - connected = true; - break; - case AMDGPU_HPD_5: - if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) - connected = true; - break; - case AMDGPU_HPD_6: - if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) - connected = true; - break; - default: - break; - } + if (hpd >= adev->mode_info.num_hpd) + return connected; + + if (RREG32(DC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPDx_SENSE) + connected = true; return connected; } @@ -303,58 +281,15 @@ static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev, u32 tmp; bool connected = dce_v6_0_hpd_sense(adev, hpd); - switch (hpd) { - case AMDGPU_HPD_1: - tmp = RREG32(DC_HPD1_INT_CONTROL); - if (connected) - tmp &= ~DC_HPDx_INT_POLARITY; - else - tmp |= DC_HPDx_INT_POLARITY; - WREG32(DC_HPD1_INT_CONTROL, tmp); - break; - case AMDGPU_HPD_2: - tmp = RREG32(DC_HPD2_INT_CONTROL); - if (connected) - tmp &= ~DC_HPDx_INT_POLARITY; - else - tmp |= DC_HPDx_INT_POLARITY; - WREG32(DC_HPD2_INT_CONTROL, tmp); - break; - case AMDGPU_HPD_3: - tmp = RREG32(DC_HPD3_INT_CONTROL); - if (connected) - tmp &= ~DC_HPDx_INT_POLARITY; - else - tmp |= DC_HPDx_INT_POLARITY; - WREG32(DC_HPD3_INT_CONTROL, tmp); - break; - case AMDGPU_HPD_4: - tmp = RREG32(DC_HPD4_INT_CONTROL); - if (connected) - tmp &= ~DC_HPDx_INT_POLARITY; - else - tmp |= DC_HPDx_INT_POLARITY; - WREG32(DC_HPD4_INT_CONTROL, tmp); - break; - case AMDGPU_HPD_5: - tmp = RREG32(DC_HPD5_INT_CONTROL); - if (connected) - tmp &= ~DC_HPDx_INT_POLARITY; - else - tmp |= DC_HPDx_INT_POLARITY; - WREG32(DC_HPD5_INT_CONTROL, tmp); - break; - case AMDGPU_HPD_6: - tmp = RREG32(DC_HPD6_INT_CONTROL); - if (connected) - tmp &= ~DC_HPDx_INT_POLARITY; - else - tmp |= DC_HPDx_INT_POLARITY; - WREG32(DC_HPD6_INT_CONTROL, tmp); - break; - default: - break; - } + if (hpd >= adev->mode_info.num_hpd) + return; + + tmp = RREG32(DC_HPD1_INT_CONTROL + hpd_offsets[hpd]); + if (connected) + tmp &= ~DC_HPDx_INT_POLARITY; + else + tmp |= DC_HPDx_INT_POLARITY; + WREG32(DC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp); } /** @@ -375,28 +310,10 @@ static void dce_v6_0_hpd_init(struct amdgpu_device *adev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - switch (amdgpu_connector->hpd.hpd) { - case AMDGPU_HPD_1: - WREG32(DC_HPD1_CONTROL, tmp); - break; - case AMDGPU_HPD_2: - WREG32(DC_HPD2_CONTROL, tmp); - break; - case AMDGPU_HPD_3: - WREG32(DC_HPD3_CONTROL, tmp); - break; - case AMDGPU_HPD_4: - WREG32(DC_HPD4_CONTROL, tmp); - break; - case AMDGPU_HPD_5: - WREG32(DC_HPD5_CONTROL, tmp); - break; - case AMDGPU_HPD_6: - WREG32(DC_HPD6_CONTROL, tmp); - break; - default: - break; - } + if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) + continue; + + WREG32(DC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { @@ -405,34 +322,9 @@ static void dce_v6_0_hpd_init(struct amdgpu_device *adev) * https://bugzilla.redhat.com/show_bug.cgi?id=726143 * also avoid interrupt storms during dpms. */ - u32 dc_hpd_int_cntl_reg, dc_hpd_int_cntl; - - switch (amdgpu_connector->hpd.hpd) { - case AMDGPU_HPD_1: - dc_hpd_int_cntl_reg = DC_HPD1_INT_CONTROL; - break; - case AMDGPU_HPD_2: - dc_hpd_int_cntl_reg = DC_HPD2_INT_CONTROL; - break; - case AMDGPU_HPD_3: - dc_hpd_int_cntl_reg = DC_HPD3_INT_CONTROL; - break; - case AMDGPU_HPD_4: - dc_hpd_int_cntl_reg = DC_HPD4_INT_CONTROL; - break; - case AMDGPU_HPD_5: - dc_hpd_int_cntl_reg = DC_HPD5_INT_CONTROL; - break; - case AMDGPU_HPD_6: - dc_hpd_int_cntl_reg = DC_HPD6_INT_CONTROL; - break; - default: - continue; - } - - dc_hpd_int_cntl = RREG32(dc_hpd_int_cntl_reg); - dc_hpd_int_cntl &= ~DC_HPDx_INT_EN; - WREG32(dc_hpd_int_cntl_reg, dc_hpd_int_cntl); + tmp = RREG32(DC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); + tmp &= ~DC_HPDx_INT_EN; + WREG32(DC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); continue; } @@ -458,28 +350,11 @@ static void dce_v6_0_hpd_fini(struct amdgpu_device *adev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - switch (amdgpu_connector->hpd.hpd) { - case AMDGPU_HPD_1: - WREG32(DC_HPD1_CONTROL, 0); - break; - case AMDGPU_HPD_2: - WREG32(DC_HPD2_CONTROL, 0); - break; - case AMDGPU_HPD_3: - WREG32(DC_HPD3_CONTROL, 0); - break; - case AMDGPU_HPD_4: - WREG32(DC_HPD4_CONTROL, 0); - break; - case AMDGPU_HPD_5: - WREG32(DC_HPD5_CONTROL, 0); - break; - case AMDGPU_HPD_6: - WREG32(DC_HPD6_CONTROL, 0); - break; - default: - break; - } + if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) + continue; + + WREG32(DC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0); + amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); } } @@ -2630,42 +2505,23 @@ static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev, unsigned type, enum amdgpu_interrupt_state state) { - u32 dc_hpd_int_cntl_reg, dc_hpd_int_cntl; + u32 dc_hpd_int_cntl; - switch (type) { - case AMDGPU_HPD_1: - dc_hpd_int_cntl_reg = DC_HPD1_INT_CONTROL; - break; - case AMDGPU_HPD_2: - dc_hpd_int_cntl_reg = DC_HPD2_INT_CONTROL; - break; - case AMDGPU_HPD_3: - dc_hpd_int_cntl_reg = DC_HPD3_INT_CONTROL; - break; - case AMDGPU_HPD_4: - dc_hpd_int_cntl_reg = DC_HPD4_INT_CONTROL; - break; - case AMDGPU_HPD_5: - dc_hpd_int_cntl_reg = DC_HPD5_INT_CONTROL; - break; - case AMDGPU_HPD_6: - dc_hpd_int_cntl_reg = DC_HPD6_INT_CONTROL; - break; - default: + if (type >= adev->mode_info.num_hpd) { DRM_DEBUG("invalid hdp %d\n", type); return 0; } switch (state) { case AMDGPU_IRQ_STATE_DISABLE: - dc_hpd_int_cntl = RREG32(dc_hpd_int_cntl_reg); + dc_hpd_int_cntl = RREG32(DC_HPD1_INT_CONTROL + hpd_offsets[type]); dc_hpd_int_cntl &= ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN); - WREG32(dc_hpd_int_cntl_reg, dc_hpd_int_cntl); + WREG32(DC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl); break; case AMDGPU_IRQ_STATE_ENABLE: - dc_hpd_int_cntl = RREG32(dc_hpd_int_cntl_reg); + dc_hpd_int_cntl = RREG32(DC_HPD1_INT_CONTROL + hpd_offsets[type]); dc_hpd_int_cntl |= (DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN); - WREG32(dc_hpd_int_cntl_reg, dc_hpd_int_cntl); + WREG32(DC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl); break; default: break; @@ -2838,7 +2694,7 @@ static int dce_v6_0_hpd_irq(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { - uint32_t disp_int, mask, int_control, tmp; + uint32_t disp_int, mask, tmp; unsigned hpd; if (entry->src_data >= adev->mode_info.num_hpd) { @@ -2849,12 +2705,11 @@ static int dce_v6_0_hpd_irq(struct amdgpu_device *adev, hpd = entry->src_data; disp_int = RREG32(interrupt_status_offsets[hpd].reg); mask = interrupt_status_offsets[hpd].hpd; - int_control = hpd_int_control_offsets[hpd]; if (disp_int & mask) { - tmp = RREG32(int_control); + tmp = RREG32(DC_HPD1_INT_CONTROL + hpd_offsets[hpd]); tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK; - WREG32(int_control, tmp); + WREG32(DC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp); schedule_work(&adev->hotplug_work); DRM_INFO("IH: HPD%d\n", hpd + 1); } -- 2.45.2