From: Patrik Jakobsson Date: Tue, 11 Mar 2014 21:53:43 +0000 (+0100) Subject: drm/gma500: Unify _get_core_freq for cdv and psb X-Git-Tag: accepted/tizen/common/20141203.182822~254^2~48^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f35257a3fe267c4280bb2f69453ca1dd3bf48956;p=platform%2Fkernel%2Flinux-arm64.git drm/gma500: Unify _get_core_freq for cdv and psb Signed-off-by: Patrik Jakobsson --- diff --git a/drivers/gpu/drm/gma500/Makefile b/drivers/gpu/drm/gma500/Makefile index 69c0d7f..b153155 100644 --- a/drivers/gpu/drm/gma500/Makefile +++ b/drivers/gpu/drm/gma500/Makefile @@ -17,6 +17,7 @@ gma500_gfx-y += \ power.o \ psb_drv.o \ gma_display.o \ + gma_device.o \ psb_intel_display.o \ psb_intel_lvds.o \ psb_intel_modes.o \ diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c index 5a9a6a3..3531f90 100644 --- a/drivers/gpu/drm/gma500/cdv_device.c +++ b/drivers/gpu/drm/gma500/cdv_device.c @@ -26,6 +26,7 @@ #include "psb_intel_reg.h" #include "intel_bios.h" #include "cdv_device.h" +#include "gma_device.h" #define VGA_SR_INDEX 0x3c4 #define VGA_SR_DATA 0x3c5 @@ -426,43 +427,6 @@ static int cdv_power_up(struct drm_device *dev) return 0; } -/* FIXME ? - shared with Poulsbo */ -static void cdv_get_core_freq(struct drm_device *dev) -{ - uint32_t clock; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - struct drm_psb_private *dev_priv = dev->dev_private; - - pci_write_config_dword(pci_root, 0xD0, 0xD0050300); - pci_read_config_dword(pci_root, 0xD4, &clock); - pci_dev_put(pci_root); - - switch (clock & 0x07) { - case 0: - dev_priv->core_freq = 100; - break; - case 1: - dev_priv->core_freq = 133; - break; - case 2: - dev_priv->core_freq = 150; - break; - case 3: - dev_priv->core_freq = 178; - break; - case 4: - dev_priv->core_freq = 200; - break; - case 5: - case 6: - case 7: - dev_priv->core_freq = 266; - break; - default: - dev_priv->core_freq = 0; - } -} - static void cdv_hotplug_work_func(struct work_struct *work) { struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private, @@ -618,7 +582,7 @@ static int cdv_chip_setup(struct drm_device *dev) if (pci_enable_msi(dev->pdev)) dev_warn(dev->dev, "Enabling MSI failed!\n"); dev_priv->regmap = cdv_regmap; - cdv_get_core_freq(dev); + gma_get_core_freq(dev); psb_intel_opregion_init(dev); psb_intel_init_bios(dev); cdv_hotplug_enable(dev, false); diff --git a/drivers/gpu/drm/gma500/gma_device.c b/drivers/gpu/drm/gma500/gma_device.c new file mode 100644 index 0000000..4a295f9 --- /dev/null +++ b/drivers/gpu/drm/gma500/gma_device.c @@ -0,0 +1,56 @@ +/************************************************************************** + * Copyright (c) 2011, Intel Corporation. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + **************************************************************************/ + +#include +#include "psb_drv.h" + +void gma_get_core_freq(struct drm_device *dev) +{ + uint32_t clock; + struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); + struct drm_psb_private *dev_priv = dev->dev_private; + + /*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/ + /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/ + + pci_write_config_dword(pci_root, 0xD0, 0xD0050300); + pci_read_config_dword(pci_root, 0xD4, &clock); + pci_dev_put(pci_root); + + switch (clock & 0x07) { + case 0: + dev_priv->core_freq = 100; + break; + case 1: + dev_priv->core_freq = 133; + break; + case 2: + dev_priv->core_freq = 150; + break; + case 3: + dev_priv->core_freq = 178; + break; + case 4: + dev_priv->core_freq = 200; + break; + case 5: + case 6: + case 7: + dev_priv->core_freq = 266; + break; + default: + dev_priv->core_freq = 0; + } +} diff --git a/drivers/gpu/drm/gma500/gma_device.h b/drivers/gpu/drm/gma500/gma_device.h new file mode 100644 index 0000000..e1dbb00 --- /dev/null +++ b/drivers/gpu/drm/gma500/gma_device.h @@ -0,0 +1,21 @@ +/************************************************************************** + * Copyright (c) 2011, Intel Corporation. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + **************************************************************************/ + +#ifndef _GMA_DEVICE_H +#define _GMA_DEVICE_H + +extern void gma_get_core_freq(struct drm_device *dev); + +#endif diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c index 23fb33f..07df7d4 100644 --- a/drivers/gpu/drm/gma500/psb_device.c +++ b/drivers/gpu/drm/gma500/psb_device.c @@ -26,6 +26,7 @@ #include "psb_intel_reg.h" #include "intel_bios.h" #include "psb_device.h" +#include "gma_device.h" static int psb_output_init(struct drm_device *dev) { @@ -257,45 +258,6 @@ static int psb_power_up(struct drm_device *dev) return 0; } -static void psb_get_core_freq(struct drm_device *dev) -{ - uint32_t clock; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - struct drm_psb_private *dev_priv = dev->dev_private; - - /*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/ - /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/ - - pci_write_config_dword(pci_root, 0xD0, 0xD0050300); - pci_read_config_dword(pci_root, 0xD4, &clock); - pci_dev_put(pci_root); - - switch (clock & 0x07) { - case 0: - dev_priv->core_freq = 100; - break; - case 1: - dev_priv->core_freq = 133; - break; - case 2: - dev_priv->core_freq = 150; - break; - case 3: - dev_priv->core_freq = 178; - break; - case 4: - dev_priv->core_freq = 200; - break; - case 5: - case 6: - case 7: - dev_priv->core_freq = 266; - break; - default: - dev_priv->core_freq = 0; - } -} - /* Poulsbo */ static const struct psb_offset psb_regmap[2] = { { @@ -352,7 +314,7 @@ static int psb_chip_setup(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; dev_priv->regmap = psb_regmap; - psb_get_core_freq(dev); + gma_get_core_freq(dev); gma_intel_setup_gmbus(dev); psb_intel_opregion_init(dev); psb_intel_init_bios(dev);